Home / 982,928.40-1,356,113.76-801,327.12

Finding the Fourth Proportional to 982,928.40, 1,356,113.76 and 801,327.12

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Solution

The fourth proportional to 982,928.40, 1,356,113.76 and 801,327.12 is: 1,105,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,928.40 : 1,356,113.76 = 801,327.12 : x
  2. Step 2: Convert to fraction form
    982,928.40/1,356,113.76 = 801,327.12/x
  3. Step 3: Cross multiply
    982,928.40x = 1,356,113.76 × 801,327.12
  4. Step 4: Simplify right side
    982,928.40x = 1,086,690,733,693.17
  5. Step 5: Solve for x
    x = 1,086,690,733,693.17/982,928.40
  6. Step 6: Final answer
    x = 1,105,564.49

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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.