Home / 1,112,668.10-1,669,687.42-438,634.70

Finding the Fourth Proportional to 1,112,668.10, 1,669,687.42 and 438,634.70

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Solution

The fourth proportional to 1,112,668.10, 1,669,687.42 and 438,634.70 is: 658,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,668.10 : 1,669,687.42 = 438,634.70 : x
  2. Step 2: Convert to fraction form
    1,112,668.10/1,669,687.42 = 438,634.70/x
  3. Step 3: Cross multiply
    1,112,668.10x = 1,669,687.42 × 438,634.70
  4. Step 4: Simplify right side
    1,112,668.10x = 732,382,840,565.47
  5. Step 5: Solve for x
    x = 732,382,840,565.47/1,112,668.10
  6. Step 6: Final answer
    x = 658,222.20

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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.