Home / 972,000.80-1,458,001.20-615,082.40

Finding the Fourth Proportional to 972,000.80, 1,458,001.20 and 615,082.40

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Solution

The fourth proportional to 972,000.80, 1,458,001.20 and 615,082.40 is: 922,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,000.80 : 1,458,001.20 = 615,082.40 : x
  2. Step 2: Convert to fraction form
    972,000.80/1,458,001.20 = 615,082.40/x
  3. Step 3: Cross multiply
    972,000.80x = 1,458,001.20 × 615,082.40
  4. Step 4: Simplify right side
    972,000.80x = 896,790,877,298.88
  5. Step 5: Solve for x
    x = 896,790,877,298.88/972,000.80
  6. Step 6: Final answer
    x = 922,623.60

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Similar ratio
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1.5x scale

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.