Home / 992,045.08-1,368,517.50-648,082.34

Finding the Fourth Proportional to 992,045.08, 1,368,517.50 and 648,082.34

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Solution

The fourth proportional to 992,045.08, 1,368,517.50 and 648,082.34 is: 894,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,045.08 : 1,368,517.50 = 648,082.34 : x
  2. Step 2: Convert to fraction form
    992,045.08/1,368,517.50 = 648,082.34/x
  3. Step 3: Cross multiply
    992,045.08x = 1,368,517.50 × 648,082.34
  4. Step 4: Simplify right side
    992,045.08x = 886,912,023,730.95
  5. Step 5: Solve for x
    x = 886,912,023,730.95/992,045.08
  6. Step 6: Final answer
    x = 894,023.91

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1.5x scale

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.