Home / 1,011,502.60-1,517,691.30-512,866.60

Finding the Fourth Proportional to 1,011,502.60, 1,517,691.30 and 512,866.60

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Solution

The fourth proportional to 1,011,502.60, 1,517,691.30 and 512,866.60 is: 769,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,502.60 : 1,517,691.30 = 512,866.60 : x
  2. Step 2: Convert to fraction form
    1,011,502.60/1,517,691.30 = 512,866.60/x
  3. Step 3: Cross multiply
    1,011,502.60x = 1,517,691.30 × 512,866.60
  4. Step 4: Simplify right side
    1,011,502.60x = 778,373,176,880.58
  5. Step 5: Solve for x
    x = 778,373,176,880.58/1,011,502.60
  6. Step 6: Final answer
    x = 769,521.68

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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.