Home / 1,118,012.91-1,674,854.24-669,087.42

Finding the Fourth Proportional to 1,118,012.91, 1,674,854.24 and 669,087.42

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Solution

The fourth proportional to 1,118,012.91, 1,674,854.24 and 669,087.42 is: 1,002,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,012.91 : 1,674,854.24 = 669,087.42 : x
  2. Step 2: Convert to fraction form
    1,118,012.91/1,674,854.24 = 669,087.42/x
  3. Step 3: Cross multiply
    1,118,012.91x = 1,674,854.24 × 669,087.42
  4. Step 4: Simplify right side
    1,118,012.91x = 1,120,623,898,972.22
  5. Step 5: Solve for x
    x = 1,120,623,898,972.22/1,118,012.91
  6. Step 6: Final answer
    x = 1,002,335.38

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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.