Home / 1,022,725.52-1,534,309.70-391,639.36

Finding the Fourth Proportional to 1,022,725.52, 1,534,309.70 and 391,639.36

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Solution

The fourth proportional to 1,022,725.52, 1,534,309.70 and 391,639.36 is: 587,543.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,725.52 : 1,534,309.70 = 391,639.36 : x
  2. Step 2: Convert to fraction form
    1,022,725.52/1,534,309.70 = 391,639.36/x
  3. Step 3: Cross multiply
    1,022,725.52x = 1,534,309.70 × 391,639.36
  4. Step 4: Simplify right side
    1,022,725.52x = 600,896,068,949.79
  5. Step 5: Solve for x
    x = 600,896,068,949.79/1,022,725.52
  6. Step 6: Final answer
    x = 587,543.83

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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.