Home / 1,072,590.20-1,609,101.30-314,430.20

Finding the Fourth Proportional to 1,072,590.20, 1,609,101.30 and 314,430.20

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Solution

The fourth proportional to 1,072,590.20, 1,609,101.30 and 314,430.20 is: 471,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,590.20 : 1,609,101.30 = 314,430.20 : x
  2. Step 2: Convert to fraction form
    1,072,590.20/1,609,101.30 = 314,430.20/x
  3. Step 3: Cross multiply
    1,072,590.20x = 1,609,101.30 × 314,430.20
  4. Step 4: Simplify right side
    1,072,590.20x = 505,950,043,579.26
  5. Step 5: Solve for x
    x = 505,950,043,579.26/1,072,590.20
  6. Step 6: Final answer
    x = 471,708.62

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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.