Home / 1,265,531.13-1,747,248.03-1,129,330.86

Finding the Fourth Proportional to 1,265,531.13, 1,747,248.03 and 1,129,330.86

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Solution

The fourth proportional to 1,265,531.13, 1,747,248.03 and 1,129,330.86 is: 1,559,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,531.13 : 1,747,248.03 = 1,129,330.86 : x
  2. Step 2: Convert to fraction form
    1,265,531.13/1,747,248.03 = 1,129,330.86/x
  3. Step 3: Cross multiply
    1,265,531.13x = 1,747,248.03 × 1,129,330.86
  4. Step 4: Simplify right side
    1,265,531.13x = 1,973,221,120,353.21
  5. Step 5: Solve for x
    x = 1,973,221,120,353.21/1,265,531.13
  6. Step 6: Final answer
    x = 1,559,203.94

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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.