Home / 1,375,124.85-1,897,642.89-763,241.94

Finding the Fourth Proportional to 1,375,124.85, 1,897,642.89 and 763,241.94

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Solution

The fourth proportional to 1,375,124.85, 1,897,642.89 and 763,241.94 is: 1,053,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,124.85 : 1,897,642.89 = 763,241.94 : x
  2. Step 2: Convert to fraction form
    1,375,124.85/1,897,642.89 = 763,241.94/x
  3. Step 3: Cross multiply
    1,375,124.85x = 1,897,642.89 × 763,241.94
  4. Step 4: Simplify right side
    1,375,124.85x = 1,448,360,640,790.81
  5. Step 5: Solve for x
    x = 1,448,360,640,790.81/1,375,124.85
  6. Step 6: Final answer
    x = 1,053,257.56

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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.