Home / 1,120,266.43-1,680,397.08-480,155.11

Finding the Fourth Proportional to 1,120,266.43, 1,680,397.08 and 480,155.11

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Solution

The fourth proportional to 1,120,266.43, 1,680,397.08 and 480,155.11 is: 720,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,266.43 : 1,680,397.08 = 480,155.11 : x
  2. Step 2: Convert to fraction form
    1,120,266.43/1,680,397.08 = 480,155.11/x
  3. Step 3: Cross multiply
    1,120,266.43x = 1,680,397.08 × 480,155.11
  4. Step 4: Simplify right side
    1,120,266.43x = 806,851,240,139.94
  5. Step 5: Solve for x
    x = 806,851,240,139.94/1,120,266.43
  6. Step 6: Final answer
    x = 720,231.56

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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.