Home / 1,338,442.10-2,008,343.55-889,475.30

Finding the Fourth Proportional to 1,338,442.10, 2,008,343.55 and 889,475.30

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Solution

The fourth proportional to 1,338,442.10, 2,008,343.55 and 889,475.30 is: 1,334,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,442.10 : 2,008,343.55 = 889,475.30 : x
  2. Step 2: Convert to fraction form
    1,338,442.10/2,008,343.55 = 889,475.30/x
  3. Step 3: Cross multiply
    1,338,442.10x = 2,008,343.55 × 889,475.30
  4. Step 4: Simplify right side
    1,338,442.10x = 1,786,371,981,639.32
  5. Step 5: Solve for x
    x = 1,786,371,981,639.32/1,338,442.10
  6. Step 6: Final answer
    x = 1,334,665.12

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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.