Home / 1,377,125.30-1,900,382.37-765,316.10

Finding the Fourth Proportional to 1,377,125.30, 1,900,382.37 and 765,316.10

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Solution

The fourth proportional to 1,377,125.30, 1,900,382.37 and 765,316.10 is: 1,056,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,125.30 : 1,900,382.37 = 765,316.10 : x
  2. Step 2: Convert to fraction form
    1,377,125.30/1,900,382.37 = 765,316.10/x
  3. Step 3: Cross multiply
    1,377,125.30x = 1,900,382.37 × 765,316.10
  4. Step 4: Simplify right side
    1,377,125.30x = 1,454,393,223,917.16
  5. Step 5: Solve for x
    x = 1,454,393,223,917.16/1,377,125.30
  6. Step 6: Final answer
    x = 1,056,108.13

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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.