Home / 1,412,715.64-2,120,405.28-515,025.04

Finding the Fourth Proportional to 1,412,715.64, 2,120,405.28 and 515,025.04

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Solution

The fourth proportional to 1,412,715.64, 2,120,405.28 and 515,025.04 is: 773,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,715.64 : 2,120,405.28 = 515,025.04 : x
  2. Step 2: Convert to fraction form
    1,412,715.64/2,120,405.28 = 515,025.04/x
  3. Step 3: Cross multiply
    1,412,715.64x = 2,120,405.28 × 515,025.04
  4. Step 4: Simplify right side
    1,412,715.64x = 1,092,061,814,148.21
  5. Step 5: Solve for x
    x = 1,092,061,814,148.21/1,412,715.64
  6. Step 6: Final answer
    x = 773,023.09

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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.