Home / 1,182,166.38-1,631,391.43-672,868.75

Finding the Fourth Proportional to 1,182,166.38, 1,631,391.43 and 672,868.75

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Solution

The fourth proportional to 1,182,166.38, 1,631,391.43 and 672,868.75 is: 928,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,166.38 : 1,631,391.43 = 672,868.75 : x
  2. Step 2: Convert to fraction form
    1,182,166.38/1,631,391.43 = 672,868.75/x
  3. Step 3: Cross multiply
    1,182,166.38x = 1,631,391.43 × 672,868.75
  4. Step 4: Simplify right side
    1,182,166.38x = 1,097,712,308,900.47
  5. Step 5: Solve for x
    x = 1,097,712,308,900.47/1,182,166.38
  6. Step 6: Final answer
    x = 928,559.91

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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.