Home / 1,061,939.50-1,593,139.90-388,019.76

Finding the Fourth Proportional to 1,061,939.50, 1,593,139.90 and 388,019.76

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Solution

The fourth proportional to 1,061,939.50, 1,593,139.90 and 388,019.76 is: 582,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,939.50 : 1,593,139.90 = 388,019.76 : x
  2. Step 2: Convert to fraction form
    1,061,939.50/1,593,139.90 = 388,019.76/x
  3. Step 3: Cross multiply
    1,061,939.50x = 1,593,139.90 × 388,019.76
  4. Step 4: Simplify right side
    1,061,939.50x = 618,169,761,644.42
  5. Step 5: Solve for x
    x = 618,169,761,644.42/1,061,939.50
  6. Step 6: Final answer
    x = 582,113.92

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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.