Home / 1,106,400.10-1,659,600.15-763,915.90

Finding the Fourth Proportional to 1,106,400.10, 1,659,600.15 and 763,915.90

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Solution

The fourth proportional to 1,106,400.10, 1,659,600.15 and 763,915.90 is: 1,145,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,400.10 : 1,659,600.15 = 763,915.90 : x
  2. Step 2: Convert to fraction form
    1,106,400.10/1,659,600.15 = 763,915.90/x
  3. Step 3: Cross multiply
    1,106,400.10x = 1,659,600.15 × 763,915.90
  4. Step 4: Simplify right side
    1,106,400.10x = 1,267,794,942,227.39
  5. Step 5: Solve for x
    x = 1,267,794,942,227.39/1,106,400.10
  6. Step 6: Final answer
    x = 1,145,873.85

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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.