Home / 1,472,769.60-2,207,599.20-840,321.60

Finding the Fourth Proportional to 1,472,769.60, 2,207,599.20 and 840,321.60

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Solution

The fourth proportional to 1,472,769.60, 2,207,599.20 and 840,321.60 is: 1,259,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,769.60 : 2,207,599.20 = 840,321.60 : x
  2. Step 2: Convert to fraction form
    1,472,769.60/2,207,599.20 = 840,321.60/x
  3. Step 3: Cross multiply
    1,472,769.60x = 2,207,599.20 × 840,321.60
  4. Step 4: Simplify right side
    1,472,769.60x = 1,855,093,291,902.72
  5. Step 5: Solve for x
    x = 1,855,093,291,902.72/1,472,769.60
  6. Step 6: Final answer
    x = 1,259,595.05

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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.