Home / 1,377,960.50-1,901,543.90-766,126.74

Finding the Fourth Proportional to 1,377,960.50, 1,901,543.90 and 766,126.74

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Solution

The fourth proportional to 1,377,960.50, 1,901,543.90 and 766,126.74 is: 1,057,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,960.50 : 1,901,543.90 = 766,126.74 : x
  2. Step 2: Convert to fraction form
    1,377,960.50/1,901,543.90 = 766,126.74/x
  3. Step 3: Cross multiply
    1,377,960.50x = 1,901,543.90 × 766,126.74
  4. Step 4: Simplify right side
    1,377,960.50x = 1,456,823,620,489.39
  5. Step 5: Solve for x
    x = 1,456,823,620,489.39/1,377,960.50
  6. Step 6: Final answer
    x = 1,057,231.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.