Home / 1,375,126.60-1,897,645.31-763,243.69

Finding the Fourth Proportional to 1,375,126.60, 1,897,645.31 and 763,243.69

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Solution

The fourth proportional to 1,375,126.60, 1,897,645.31 and 763,243.69 is: 1,053,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,126.60 : 1,897,645.31 = 763,243.69 : x
  2. Step 2: Convert to fraction form
    1,375,126.60/1,897,645.31 = 763,243.69/x
  3. Step 3: Cross multiply
    1,375,126.60x = 1,897,645.31 × 763,243.69
  4. Step 4: Simplify right side
    1,375,126.60x = 1,448,365,804,899.38
  5. Step 5: Solve for x
    x = 1,448,365,804,899.38/1,375,126.60
  6. Step 6: Final answer
    x = 1,053,259.97

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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.