Home / 1,330,149.06-1,995,518.79-383,445.90

Finding the Fourth Proportional to 1,330,149.06, 1,995,518.79 and 383,445.90

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Solution

The fourth proportional to 1,330,149.06, 1,995,518.79 and 383,445.90 is: 575,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,149.06 : 1,995,518.79 = 383,445.90 : x
  2. Step 2: Convert to fraction form
    1,330,149.06/1,995,518.79 = 383,445.90/x
  3. Step 3: Cross multiply
    1,330,149.06x = 1,995,518.79 × 383,445.90
  4. Step 4: Simplify right side
    1,330,149.06x = 765,173,498,398.46
  5. Step 5: Solve for x
    x = 765,173,498,398.46/1,330,149.06
  6. Step 6: Final answer
    x = 575,253.95

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Double scale
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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.