Home / 1,230,266.55-1,845,399.83-911,401.95

Finding the Fourth Proportional to 1,230,266.55, 1,845,399.83 and 911,401.95

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Solution

The fourth proportional to 1,230,266.55, 1,845,399.83 and 911,401.95 is: 1,367,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,266.55 : 1,845,399.83 = 911,401.95 : x
  2. Step 2: Convert to fraction form
    1,230,266.55/1,845,399.83 = 911,401.95/x
  3. Step 3: Cross multiply
    1,230,266.55x = 1,845,399.83 × 911,401.95
  4. Step 4: Simplify right side
    1,230,266.55x = 1,681,900,999,034.66
  5. Step 5: Solve for x
    x = 1,681,900,999,034.66/1,230,266.55
  6. Step 6: Final answer
    x = 1,367,102.93

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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.