Home / 1,377,247.95-1,900,564.20-765,385.29

Finding the Fourth Proportional to 1,377,247.95, 1,900,564.20 and 765,385.29

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Solution

The fourth proportional to 1,377,247.95, 1,900,564.20 and 765,385.29 is: 1,056,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,247.95 : 1,900,564.20 = 765,385.29 : x
  2. Step 2: Convert to fraction form
    1,377,247.95/1,900,564.20 = 765,385.29/x
  3. Step 3: Cross multiply
    1,377,247.95x = 1,900,564.20 × 765,385.29
  4. Step 4: Simplify right side
    1,377,247.95x = 1,454,663,881,380.62
  5. Step 5: Solve for x
    x = 1,454,663,881,380.62/1,377,247.95
  6. Step 6: Final answer
    x = 1,056,210.60

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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.