Home / 1,377,175.70-1,900,548.62-765,354.25

Finding the Fourth Proportional to 1,377,175.70, 1,900,548.62 and 765,354.25

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Solution

The fourth proportional to 1,377,175.70, 1,900,548.62 and 765,354.25 is: 1,056,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,175.70 : 1,900,548.62 = 765,354.25 : x
  2. Step 2: Convert to fraction form
    1,377,175.70/1,900,548.62 = 765,354.25/x
  3. Step 3: Cross multiply
    1,377,175.70x = 1,900,548.62 × 765,354.25
  4. Step 4: Simplify right side
    1,377,175.70x = 1,454,592,959,821.86
  5. Step 5: Solve for x
    x = 1,454,592,959,821.86/1,377,175.70
  6. Step 6: Final answer
    x = 1,056,214.51

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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.