Home / 1,375,132.86-1,897,653.92-763,249.94

Finding the Fourth Proportional to 1,375,132.86, 1,897,653.92 and 763,249.94

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Solution

The fourth proportional to 1,375,132.86, 1,897,653.92 and 763,249.94 is: 1,053,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,132.86 : 1,897,653.92 = 763,249.94 : x
  2. Step 2: Convert to fraction form
    1,375,132.86/1,897,653.92 = 763,249.94/x
  3. Step 3: Cross multiply
    1,375,132.86x = 1,897,653.92 × 763,249.94
  4. Step 4: Simplify right side
    1,375,132.86x = 1,448,384,240,580.76
  5. Step 5: Solve for x
    x = 1,448,384,240,580.76/1,375,132.86
  6. Step 6: Final answer
    x = 1,053,268.58

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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.