Home / 1,786,761.40-2,680,487.70-524,630.20

Finding the Fourth Proportional to 1,786,761.40, 2,680,487.70 and 524,630.20

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Solution

The fourth proportional to 1,786,761.40, 2,680,487.70 and 524,630.20 is: 787,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,761.40 : 2,680,487.70 = 524,630.20 : x
  2. Step 2: Convert to fraction form
    1,786,761.40/2,680,487.70 = 524,630.20/x
  3. Step 3: Cross multiply
    1,786,761.40x = 2,680,487.70 × 524,630.20
  4. Step 4: Simplify right side
    1,786,761.40x = 1,406,264,798,148.54
  5. Step 5: Solve for x
    x = 1,406,264,798,148.54/1,786,761.40
  6. Step 6: Final answer
    x = 787,046.78

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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.