Home / 1,527,538.45-2,287,817.38-729,379.03

Finding the Fourth Proportional to 1,527,538.45, 2,287,817.38 and 729,379.03

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Solution

The fourth proportional to 1,527,538.45, 2,287,817.38 and 729,379.03 is: 1,092,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,538.45 : 2,287,817.38 = 729,379.03 : x
  2. Step 2: Convert to fraction form
    1,527,538.45/2,287,817.38 = 729,379.03/x
  3. Step 3: Cross multiply
    1,527,538.45x = 2,287,817.38 × 729,379.03
  4. Step 4: Simplify right side
    1,527,538.45x = 1,668,686,006,355.56
  5. Step 5: Solve for x
    x = 1,668,686,006,355.56/1,527,538.45
  6. Step 6: Final answer
    x = 1,092,401.97

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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.