Home / 1,040,180.70-1,558,521.45-889,715.10

Finding the Fourth Proportional to 1,040,180.70, 1,558,521.45 and 889,715.10

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Solution

The fourth proportional to 1,040,180.70, 1,558,521.45 and 889,715.10 is: 1,333,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,180.70 : 1,558,521.45 = 889,715.10 : x
  2. Step 2: Convert to fraction form
    1,040,180.70/1,558,521.45 = 889,715.10/x
  3. Step 3: Cross multiply
    1,040,180.70x = 1,558,521.45 × 889,715.10
  4. Step 4: Simplify right side
    1,040,180.70x = 1,386,640,067,738.90
  5. Step 5: Solve for x
    x = 1,386,640,067,738.90/1,040,180.70
  6. Step 6: Final answer
    x = 1,333,076.14

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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.