Home / 1,126,881.55-1,690,480.20-368,782.61

Finding the Fourth Proportional to 1,126,881.55, 1,690,480.20 and 368,782.61

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Solution

The fourth proportional to 1,126,881.55, 1,690,480.20 and 368,782.61 is: 553,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,881.55 : 1,690,480.20 = 368,782.61 : x
  2. Step 2: Convert to fraction form
    1,126,881.55/1,690,480.20 = 368,782.61/x
  3. Step 3: Cross multiply
    1,126,881.55x = 1,690,480.20 × 368,782.61
  4. Step 4: Simplify right side
    1,126,881.55x = 623,419,692,202.66
  5. Step 5: Solve for x
    x = 623,419,692,202.66/1,126,881.55
  6. Step 6: Final answer
    x = 553,225.57

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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.