Home / 1,499,228.60-2,068,951.78-820,150.52

Finding the Fourth Proportional to 1,499,228.60, 2,068,951.78 and 820,150.52

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Solution

The fourth proportional to 1,499,228.60, 2,068,951.78 and 820,150.52 is: 1,131,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,228.60 : 2,068,951.78 = 820,150.52 : x
  2. Step 2: Convert to fraction form
    1,499,228.60/2,068,951.78 = 820,150.52/x
  3. Step 3: Cross multiply
    1,499,228.60x = 2,068,951.78 × 820,150.52
  4. Step 4: Simplify right side
    1,499,228.60x = 1,696,851,878,221.93
  5. Step 5: Solve for x
    x = 1,696,851,878,221.93/1,499,228.60
  6. Step 6: Final answer
    x = 1,131,816.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.