Home / 948,101.40-1,422,152.10-911,359.80

Finding the Fourth Proportional to 948,101.40, 1,422,152.10 and 911,359.80

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Solution

The fourth proportional to 948,101.40, 1,422,152.10 and 911,359.80 is: 1,367,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,101.40 : 1,422,152.10 = 911,359.80 : x
  2. Step 2: Convert to fraction form
    948,101.40/1,422,152.10 = 911,359.80/x
  3. Step 3: Cross multiply
    948,101.40x = 1,422,152.10 × 911,359.80
  4. Step 4: Simplify right side
    948,101.40x = 1,296,092,253,425.58
  5. Step 5: Solve for x
    x = 1,296,092,253,425.58/948,101.40
  6. Step 6: Final answer
    x = 1,367,039.70

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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.