Home / 986,974.20-1,480,461.30-845,256.60

Finding the Fourth Proportional to 986,974.20, 1,480,461.30 and 845,256.60

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Solution

The fourth proportional to 986,974.20, 1,480,461.30 and 845,256.60 is: 1,267,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,974.20 : 1,480,461.30 = 845,256.60 : x
  2. Step 2: Convert to fraction form
    986,974.20/1,480,461.30 = 845,256.60/x
  3. Step 3: Cross multiply
    986,974.20x = 1,480,461.30 × 845,256.60
  4. Step 4: Simplify right side
    986,974.20x = 1,251,369,684,869.58
  5. Step 5: Solve for x
    x = 1,251,369,684,869.58/986,974.20
  6. Step 6: Final answer
    x = 1,267,884.90

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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.