Home / 1,153,864.80-1,728,464.40-775,951.20

Finding the Fourth Proportional to 1,153,864.80, 1,728,464.40 and 775,951.20

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Solution

The fourth proportional to 1,153,864.80, 1,728,464.40 and 775,951.20 is: 1,162,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,864.80 : 1,728,464.40 = 775,951.20 : x
  2. Step 2: Convert to fraction form
    1,153,864.80/1,728,464.40 = 775,951.20/x
  3. Step 3: Cross multiply
    1,153,864.80x = 1,728,464.40 × 775,951.20
  4. Step 4: Simplify right side
    1,153,864.80x = 1,341,204,025,337.28
  5. Step 5: Solve for x
    x = 1,341,204,025,337.28/1,153,864.80
  6. Step 6: Final answer
    x = 1,162,358.04

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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.