Home / 1,414,789.12-2,120,903.68-516,020.32

Finding the Fourth Proportional to 1,414,789.12, 2,120,903.68 and 516,020.32

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Solution

The fourth proportional to 1,414,789.12, 2,120,903.68 and 516,020.32 is: 773,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,789.12 : 2,120,903.68 = 516,020.32 : x
  2. Step 2: Convert to fraction form
    1,414,789.12/2,120,903.68 = 516,020.32/x
  3. Step 3: Cross multiply
    1,414,789.12x = 2,120,903.68 × 516,020.32
  4. Step 4: Simplify right side
    1,414,789.12x = 1,094,429,395,642.78
  5. Step 5: Solve for x
    x = 1,094,429,395,642.78/1,414,789.12
  6. Step 6: Final answer
    x = 773,563.62

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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.