Home / 1,377,175.64-1,900,548.53-765,354.18

Finding the Fourth Proportional to 1,377,175.64, 1,900,548.53 and 765,354.18

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Solution

The fourth proportional to 1,377,175.64, 1,900,548.53 and 765,354.18 is: 1,056,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,175.64 : 1,900,548.53 = 765,354.18 : x
  2. Step 2: Convert to fraction form
    1,377,175.64/1,900,548.53 = 765,354.18/x
  3. Step 3: Cross multiply
    1,377,175.64x = 1,900,548.53 × 765,354.18
  4. Step 4: Simplify right side
    1,377,175.64x = 1,454,592,767,898.72
  5. Step 5: Solve for x
    x = 1,454,592,767,898.72/1,377,175.64
  6. Step 6: Final answer
    x = 1,056,214.42

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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.