Home / 1,022,731.36-1,534,086.91-391,645.18

Finding the Fourth Proportional to 1,022,731.36, 1,534,086.91 and 391,645.18

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Solution

The fourth proportional to 1,022,731.36, 1,534,086.91 and 391,645.18 is: 587,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,731.36 : 1,534,086.91 = 391,645.18 : x
  2. Step 2: Convert to fraction form
    1,022,731.36/1,534,086.91 = 391,645.18/x
  3. Step 3: Cross multiply
    1,022,731.36x = 1,534,086.91 × 391,645.18
  4. Step 4: Simplify right side
    1,022,731.36x = 600,817,744,002.59
  5. Step 5: Solve for x
    x = 600,817,744,002.59/1,022,731.36
  6. Step 6: Final answer
    x = 587,463.89

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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.