Home / 1,460,902.40-2,189,863.20-987,635.60

Finding the Fourth Proportional to 1,460,902.40, 2,189,863.20 and 987,635.60

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Solution

The fourth proportional to 1,460,902.40, 2,189,863.20 and 987,635.60 is: 1,480,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460,902.40 : 2,189,863.20 = 987,635.60 : x
  2. Step 2: Convert to fraction form
    1,460,902.40/2,189,863.20 = 987,635.60/x
  3. Step 3: Cross multiply
    1,460,902.40x = 2,189,863.20 × 987,635.60
  4. Step 4: Simplify right side
    1,460,902.40x = 2,162,786,855,449.92
  5. Step 5: Solve for x
    x = 2,162,786,855,449.92/1,460,902.40
  6. Step 6: Final answer
    x = 1,480,445.82

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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.