Home / 1,377,977.58-1,901,607.12-766,110.87

Finding the Fourth Proportional to 1,377,977.58, 1,901,607.12 and 766,110.87

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Solution

The fourth proportional to 1,377,977.58, 1,901,607.12 and 766,110.87 is: 1,057,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,977.58 : 1,901,607.12 = 766,110.87 : x
  2. Step 2: Convert to fraction form
    1,377,977.58/1,901,607.12 = 766,110.87/x
  3. Step 3: Cross multiply
    1,377,977.58x = 1,901,607.12 × 766,110.87
  4. Step 4: Simplify right side
    1,377,977.58x = 1,456,841,885,101.39
  5. Step 5: Solve for x
    x = 1,456,841,885,101.39/1,377,977.58
  6. Step 6: Final answer
    x = 1,057,231.92

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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.