Home / 1,375,141.53-1,897,493.07-763,298.89

Finding the Fourth Proportional to 1,375,141.53, 1,897,493.07 and 763,298.89

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Solution

The fourth proportional to 1,375,141.53, 1,897,493.07 and 763,298.89 is: 1,053,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,141.53 : 1,897,493.07 = 763,298.89 : x
  2. Step 2: Convert to fraction form
    1,375,141.53/1,897,493.07 = 763,298.89/x
  3. Step 3: Cross multiply
    1,375,141.53x = 1,897,493.07 × 763,298.89
  4. Step 4: Simplify right side
    1,375,141.53x = 1,448,354,352,232.33
  5. Step 5: Solve for x
    x = 1,448,354,352,232.33/1,375,141.53
  6. Step 6: Final answer
    x = 1,053,240.21

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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.