Home / 836,725.20-1,255,087.80-761,929.80

Finding the Fourth Proportional to 836,725.20, 1,255,087.80 and 761,929.80

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Solution

The fourth proportional to 836,725.20, 1,255,087.80 and 761,929.80 is: 1,142,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,725.20 : 1,255,087.80 = 761,929.80 : x
  2. Step 2: Convert to fraction form
    836,725.20/1,255,087.80 = 761,929.80/x
  3. Step 3: Cross multiply
    836,725.20x = 1,255,087.80 × 761,929.80
  4. Step 4: Simplify right side
    836,725.20x = 956,288,796,436.44
  5. Step 5: Solve for x
    x = 956,288,796,436.44/836,725.20
  6. Step 6: Final answer
    x = 1,142,894.70

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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.