Home / 1,425,728.60-2,138,724.40-466,189.13

Finding the Fourth Proportional to 1,425,728.60, 2,138,724.40 and 466,189.13

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Solution

The fourth proportional to 1,425,728.60, 2,138,724.40 and 466,189.13 is: 699,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,728.60 : 2,138,724.40 = 466,189.13 : x
  2. Step 2: Convert to fraction form
    1,425,728.60/2,138,724.40 = 466,189.13/x
  3. Step 3: Cross multiply
    1,425,728.60x = 2,138,724.40 × 466,189.13
  4. Step 4: Simplify right side
    1,425,728.60x = 997,050,071,527.11
  5. Step 5: Solve for x
    x = 997,050,071,527.11/1,425,728.60
  6. Step 6: Final answer
    x = 699,326.70

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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.