Home / 1,330,590.60-1,995,885.90-383,992.20

Finding the Fourth Proportional to 1,330,590.60, 1,995,885.90 and 383,992.20

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Solution

The fourth proportional to 1,330,590.60, 1,995,885.90 and 383,992.20 is: 575,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,590.60 : 1,995,885.90 = 383,992.20 : x
  2. Step 2: Convert to fraction form
    1,330,590.60/1,995,885.90 = 383,992.20/x
  3. Step 3: Cross multiply
    1,330,590.60x = 1,995,885.90 × 383,992.20
  4. Step 4: Simplify right side
    1,330,590.60x = 766,404,617,689.98
  5. Step 5: Solve for x
    x = 766,404,617,689.98/1,330,590.60
  6. Step 6: Final answer
    x = 575,988.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.