Home / 1,008,082.65-1,512,123.98-672,159.45

Finding the Fourth Proportional to 1,008,082.65, 1,512,123.98 and 672,159.45

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Solution

The fourth proportional to 1,008,082.65, 1,512,123.98 and 672,159.45 is: 1,008,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,082.65 : 1,512,123.98 = 672,159.45 : x
  2. Step 2: Convert to fraction form
    1,008,082.65/1,512,123.98 = 672,159.45/x
  3. Step 3: Cross multiply
    1,008,082.65x = 1,512,123.98 × 672,159.45
  4. Step 4: Simplify right side
    1,008,082.65x = 1,016,388,419,367.81
  5. Step 5: Solve for x
    x = 1,016,388,419,367.81/1,008,082.65
  6. Step 6: Final answer
    x = 1,008,239.18

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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.