Home / 1,377,925.41-1,901,600.40-766,140.41

Finding the Fourth Proportional to 1,377,925.41, 1,901,600.40 and 766,140.41

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Solution

The fourth proportional to 1,377,925.41, 1,901,600.40 and 766,140.41 is: 1,057,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,925.41 : 1,901,600.40 = 766,140.41 : x
  2. Step 2: Convert to fraction form
    1,377,925.41/1,901,600.40 = 766,140.41/x
  3. Step 3: Cross multiply
    1,377,925.41x = 1,901,600.40 × 766,140.41
  4. Step 4: Simplify right side
    1,377,925.41x = 1,456,892,900,604.16
  5. Step 5: Solve for x
    x = 1,456,892,900,604.16/1,377,925.41
  6. Step 6: Final answer
    x = 1,057,308.97

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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.