Home / 1,107,114.15-1,660,671.23-729,200.55

Finding the Fourth Proportional to 1,107,114.15, 1,660,671.23 and 729,200.55

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Solution

The fourth proportional to 1,107,114.15, 1,660,671.23 and 729,200.55 is: 1,093,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,114.15 : 1,660,671.23 = 729,200.55 : x
  2. Step 2: Convert to fraction form
    1,107,114.15/1,660,671.23 = 729,200.55/x
  3. Step 3: Cross multiply
    1,107,114.15x = 1,660,671.23 × 729,200.55
  4. Step 4: Simplify right side
    1,107,114.15x = 1,210,962,370,639.17
  5. Step 5: Solve for x
    x = 1,210,962,370,639.17/1,107,114.15
  6. Step 6: Final answer
    x = 1,093,800.83

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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.