Home / 1,432,183.57-1,976,373.90-787,603.76

Finding the Fourth Proportional to 1,432,183.57, 1,976,373.90 and 787,603.76

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Solution

The fourth proportional to 1,432,183.57, 1,976,373.90 and 787,603.76 is: 1,086,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,183.57 : 1,976,373.90 = 787,603.76 : x
  2. Step 2: Convert to fraction form
    1,432,183.57/1,976,373.90 = 787,603.76/x
  3. Step 3: Cross multiply
    1,432,183.57x = 1,976,373.90 × 787,603.76
  4. Step 4: Simplify right side
    1,432,183.57x = 1,556,599,515,940.08
  5. Step 5: Solve for x
    x = 1,556,599,515,940.08/1,432,183.57
  6. Step 6: Final answer
    x = 1,086,871.51

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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.