Home / 1,377,925.90-1,901,601.08-766,140.90

Finding the Fourth Proportional to 1,377,925.90, 1,901,601.08 and 766,140.90

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Solution

The fourth proportional to 1,377,925.90, 1,901,601.08 and 766,140.90 is: 1,057,309.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,925.90 : 1,901,601.08 = 766,140.90 : x
  2. Step 2: Convert to fraction form
    1,377,925.90/1,901,601.08 = 766,140.90/x
  3. Step 3: Cross multiply
    1,377,925.90x = 1,901,601.08 × 766,140.90
  4. Step 4: Simplify right side
    1,377,925.90x = 1,456,894,362,872.17
  5. Step 5: Solve for x
    x = 1,456,894,362,872.17/1,377,925.90
  6. Step 6: Final answer
    x = 1,057,309.66

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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.