Home / 1,397,901.60-2,093,701.20-979,046.88

Finding the Fourth Proportional to 1,397,901.60, 2,093,701.20 and 979,046.88

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Solution

The fourth proportional to 1,397,901.60, 2,093,701.20 and 979,046.88 is: 1,466,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,901.60 : 2,093,701.20 = 979,046.88 : x
  2. Step 2: Convert to fraction form
    1,397,901.60/2,093,701.20 = 979,046.88/x
  3. Step 3: Cross multiply
    1,397,901.60x = 2,093,701.20 × 979,046.88
  4. Step 4: Simplify right side
    1,397,901.60x = 2,049,831,627,512.26
  5. Step 5: Solve for x
    x = 2,049,831,627,512.26/1,397,901.60
  6. Step 6: Final answer
    x = 1,466,363.32

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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.