Home / 928,055.30-1,392,082.95-815,862.20

Finding the Fourth Proportional to 928,055.30, 1,392,082.95 and 815,862.20

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Solution

The fourth proportional to 928,055.30, 1,392,082.95 and 815,862.20 is: 1,223,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,055.30 : 1,392,082.95 = 815,862.20 : x
  2. Step 2: Convert to fraction form
    928,055.30/1,392,082.95 = 815,862.20/x
  3. Step 3: Cross multiply
    928,055.30x = 1,392,082.95 × 815,862.20
  4. Step 4: Simplify right side
    928,055.30x = 1,135,747,858,169.49
  5. Step 5: Solve for x
    x = 1,135,747,858,169.49/928,055.30
  6. Step 6: Final answer
    x = 1,223,793.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.