Home / 1,065,162.88-1,469,917.30-581,728.16

Finding the Fourth Proportional to 1,065,162.88, 1,469,917.30 and 581,728.16

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Solution

The fourth proportional to 1,065,162.88, 1,469,917.30 and 581,728.16 is: 802,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,162.88 : 1,469,917.30 = 581,728.16 : x
  2. Step 2: Convert to fraction form
    1,065,162.88/1,469,917.30 = 581,728.16/x
  3. Step 3: Cross multiply
    1,065,162.88x = 1,469,917.30 × 581,728.16
  4. Step 4: Simplify right side
    1,065,162.88x = 855,092,286,281.17
  5. Step 5: Solve for x
    x = 855,092,286,281.17/1,065,162.88
  6. Step 6: Final answer
    x = 802,780.78

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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.