Home / 926,789.55-1,387,675.40-655,803.86

Finding the Fourth Proportional to 926,789.55, 1,387,675.40 and 655,803.86

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Solution

The fourth proportional to 926,789.55, 1,387,675.40 and 655,803.86 is: 981,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,789.55 : 1,387,675.40 = 655,803.86 : x
  2. Step 2: Convert to fraction form
    926,789.55/1,387,675.40 = 655,803.86/x
  3. Step 3: Cross multiply
    926,789.55x = 1,387,675.40 × 655,803.86
  4. Step 4: Simplify right side
    926,789.55x = 910,042,873,529.65
  5. Step 5: Solve for x
    x = 910,042,873,529.65/926,789.55
  6. Step 6: Final answer
    x = 981,930.44

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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.