Home / 1,532,976.60-2,115,555.64-879,722.13

Finding the Fourth Proportional to 1,532,976.60, 2,115,555.64 and 879,722.13

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Solution

The fourth proportional to 1,532,976.60, 2,115,555.64 and 879,722.13 is: 1,214,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,976.60 : 2,115,555.64 = 879,722.13 : x
  2. Step 2: Convert to fraction form
    1,532,976.60/2,115,555.64 = 879,722.13/x
  3. Step 3: Cross multiply
    1,532,976.60x = 2,115,555.64 × 879,722.13
  4. Step 4: Simplify right side
    1,532,976.60x = 1,861,101,098,777.92
  5. Step 5: Solve for x
    x = 1,861,101,098,777.92/1,532,976.60
  6. Step 6: Final answer
    x = 1,214,044.04

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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.