Home / 1,011,202-1,517,245.80-479,103.28

Finding the Fourth Proportional to 1,011,202, 1,517,245.80 and 479,103.28

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Solution

The fourth proportional to 1,011,202, 1,517,245.80 and 479,103.28 is: 718,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,202 : 1,517,245.80 = 479,103.28 : x
  2. Step 2: Convert to fraction form
    1,011,202/1,517,245.80 = 479,103.28/x
  3. Step 3: Cross multiply
    1,011,202x = 1,517,245.80 × 479,103.28
  4. Step 4: Simplify right side
    1,011,202x = 726,917,439,346.22
  5. Step 5: Solve for x
    x = 726,917,439,346.22/1,011,202
  6. Step 6: Final answer
    x = 718,864.72

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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.