Home / 1,377,940.59-1,901,586.01-766,117.62

Finding the Fourth Proportional to 1,377,940.59, 1,901,586.01 and 766,117.62

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Solution

The fourth proportional to 1,377,940.59, 1,901,586.01 and 766,117.62 is: 1,057,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,940.59 : 1,901,586.01 = 766,117.62 : x
  2. Step 2: Convert to fraction form
    1,377,940.59/1,901,586.01 = 766,117.62/x
  3. Step 3: Cross multiply
    1,377,940.59x = 1,901,586.01 × 766,117.62
  4. Step 4: Simplify right side
    1,377,940.59x = 1,456,838,548,206.50
  5. Step 5: Solve for x
    x = 1,456,838,548,206.50/1,377,940.59
  6. Step 6: Final answer
    x = 1,057,257.88

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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.