Home / 1,122,254.89-1,548,711.75-612,958.48

Finding the Fourth Proportional to 1,122,254.89, 1,548,711.75 and 612,958.48

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Solution

The fourth proportional to 1,122,254.89, 1,548,711.75 and 612,958.48 is: 845,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,254.89 : 1,548,711.75 = 612,958.48 : x
  2. Step 2: Convert to fraction form
    1,122,254.89/1,548,711.75 = 612,958.48/x
  3. Step 3: Cross multiply
    1,122,254.89x = 1,548,711.75 × 612,958.48
  4. Step 4: Simplify right side
    1,122,254.89x = 949,296,000,238.14
  5. Step 5: Solve for x
    x = 949,296,000,238.14/1,122,254.89
  6. Step 6: Final answer
    x = 845,882.70

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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.