Home / 1,500,086.07-2,070,124.23-811,757.85

Finding the Fourth Proportional to 1,500,086.07, 2,070,124.23 and 811,757.85

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Solution

The fourth proportional to 1,500,086.07, 2,070,124.23 and 811,757.85 is: 1,120,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,086.07 : 2,070,124.23 = 811,757.85 : x
  2. Step 2: Convert to fraction form
    1,500,086.07/2,070,124.23 = 811,757.85/x
  3. Step 3: Cross multiply
    1,500,086.07x = 2,070,124.23 × 811,757.85
  4. Step 4: Simplify right side
    1,500,086.07x = 1,680,439,594,177.71
  5. Step 5: Solve for x
    x = 1,680,439,594,177.71/1,500,086.07
  6. Step 6: Final answer
    x = 1,120,228.78

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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.