Home / 1,373,079.40-2,060,007.90-426,545.80

Finding the Fourth Proportional to 1,373,079.40, 2,060,007.90 and 426,545.80

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Solution

The fourth proportional to 1,373,079.40, 2,060,007.90 and 426,545.80 is: 639,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,079.40 : 2,060,007.90 = 426,545.80 : x
  2. Step 2: Convert to fraction form
    1,373,079.40/2,060,007.90 = 426,545.80/x
  3. Step 3: Cross multiply
    1,373,079.40x = 2,060,007.90 × 426,545.80
  4. Step 4: Simplify right side
    1,373,079.40x = 878,687,717,711.82
  5. Step 5: Solve for x
    x = 878,687,717,711.82/1,373,079.40
  6. Step 6: Final answer
    x = 639,939.48

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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.