Home / 1,527,538.20-2,287,817-729,378.78

Finding the Fourth Proportional to 1,527,538.20, 2,287,817 and 729,378.78

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Solution

The fourth proportional to 1,527,538.20, 2,287,817 and 729,378.78 is: 1,092,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,538.20 : 2,287,817 = 729,378.78 : x
  2. Step 2: Convert to fraction form
    1,527,538.20/2,287,817 = 729,378.78/x
  3. Step 3: Cross multiply
    1,527,538.20x = 2,287,817 × 729,378.78
  4. Step 4: Simplify right side
    1,527,538.20x = 1,668,685,160,884.18
  5. Step 5: Solve for x
    x = 1,668,685,160,884.18/1,527,538.20
  6. Step 6: Final answer
    x = 1,092,401.60

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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.