Home / 1,500,086.25-2,070,124.49-811,758.04

Finding the Fourth Proportional to 1,500,086.25, 2,070,124.49 and 811,758.04

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Solution

The fourth proportional to 1,500,086.25, 2,070,124.49 and 811,758.04 is: 1,120,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,086.25 : 2,070,124.49 = 811,758.04 : x
  2. Step 2: Convert to fraction form
    1,500,086.25/2,070,124.49 = 811,758.04/x
  3. Step 3: Cross multiply
    1,500,086.25x = 2,070,124.49 × 811,758.04
  4. Step 4: Simplify right side
    1,500,086.25x = 1,680,440,189,324.30
  5. Step 5: Solve for x
    x = 1,680,440,189,324.30/1,500,086.25
  6. Step 6: Final answer
    x = 1,120,229.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.