Home / 1,152,711.48-1,729,045.14-521,184.12

Finding the Fourth Proportional to 1,152,711.48, 1,729,045.14 and 521,184.12

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Solution

The fourth proportional to 1,152,711.48, 1,729,045.14 and 521,184.12 is: 781,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,711.48 : 1,729,045.14 = 521,184.12 : x
  2. Step 2: Convert to fraction form
    1,152,711.48/1,729,045.14 = 521,184.12/x
  3. Step 3: Cross multiply
    1,152,711.48x = 1,729,045.14 × 521,184.12
  4. Step 4: Simplify right side
    1,152,711.48x = 901,150,869,731.18
  5. Step 5: Solve for x
    x = 901,150,869,731.18/1,152,711.48
  6. Step 6: Final answer
    x = 781,766.20

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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.