Home / 1,801,233.90-2,485,693.80-985,422.78

Finding the Fourth Proportional to 1,801,233.90, 2,485,693.80 and 985,422.78

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Solution

The fourth proportional to 1,801,233.90, 2,485,693.80 and 985,422.78 is: 1,359,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,233.90 : 2,485,693.80 = 985,422.78 : x
  2. Step 2: Convert to fraction form
    1,801,233.90/2,485,693.80 = 985,422.78/x
  3. Step 3: Cross multiply
    1,801,233.90x = 2,485,693.80 × 985,422.78
  4. Step 4: Simplify right side
    1,801,233.90x = 2,449,459,294,624.76
  5. Step 5: Solve for x
    x = 2,449,459,294,624.76/1,801,233.90
  6. Step 6: Final answer
    x = 1,359,878.52

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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.