Home / 927,456.40-1,393,258.20-889,670.80

Finding the Fourth Proportional to 927,456.40, 1,393,258.20 and 889,670.80

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Solution

The fourth proportional to 927,456.40, 1,393,258.20 and 889,670.80 is: 1,336,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,456.40 : 1,393,258.20 = 889,670.80 : x
  2. Step 2: Convert to fraction form
    927,456.40/1,393,258.20 = 889,670.80/x
  3. Step 3: Cross multiply
    927,456.40x = 1,393,258.20 × 889,670.80
  4. Step 4: Simplify right side
    927,456.40x = 1,239,541,137,400.56
  5. Step 5: Solve for x
    x = 1,239,541,137,400.56/927,456.40
  6. Step 6: Final answer
    x = 1,336,495.32

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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.