Home / 1,419,826.16-1,959,439.52-775,306.20

Finding the Fourth Proportional to 1,419,826.16, 1,959,439.52 and 775,306.20

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Solution

The fourth proportional to 1,419,826.16, 1,959,439.52 and 775,306.20 is: 1,069,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,826.16 : 1,959,439.52 = 775,306.20 : x
  2. Step 2: Convert to fraction form
    1,419,826.16/1,959,439.52 = 775,306.20/x
  3. Step 3: Cross multiply
    1,419,826.16x = 1,959,439.52 × 775,306.20
  4. Step 4: Simplify right side
    1,419,826.16x = 1,519,165,608,381.02
  5. Step 5: Solve for x
    x = 1,519,165,608,381.02/1,419,826.16
  6. Step 6: Final answer
    x = 1,069,965.92

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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.