Home / 1,432,013.24-1,976,110.62-787,460.60

Finding the Fourth Proportional to 1,432,013.24, 1,976,110.62 and 787,460.60

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Solution

The fourth proportional to 1,432,013.24, 1,976,110.62 and 787,460.60 is: 1,086,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,013.24 : 1,976,110.62 = 787,460.60 : x
  2. Step 2: Convert to fraction form
    1,432,013.24/1,976,110.62 = 787,460.60/x
  3. Step 3: Cross multiply
    1,432,013.24x = 1,976,110.62 × 787,460.60
  4. Step 4: Simplify right side
    1,432,013.24x = 1,556,109,254,491.57
  5. Step 5: Solve for x
    x = 1,556,109,254,491.57/1,432,013.24
  6. Step 6: Final answer
    x = 1,086,658.43

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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.