Home / 1,013,452.76-1,397,955.45-669,291.86

Finding the Fourth Proportional to 1,013,452.76, 1,397,955.45 and 669,291.86

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Solution

The fourth proportional to 1,013,452.76, 1,397,955.45 and 669,291.86 is: 923,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,452.76 : 1,397,955.45 = 669,291.86 : x
  2. Step 2: Convert to fraction form
    1,013,452.76/1,397,955.45 = 669,291.86/x
  3. Step 3: Cross multiply
    1,013,452.76x = 1,397,955.45 × 669,291.86
  4. Step 4: Simplify right side
    1,013,452.76x = 935,640,203,327.64
  5. Step 5: Solve for x
    x = 935,640,203,327.64/1,013,452.76
  6. Step 6: Final answer
    x = 923,220.34

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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.