Home / 1,011,267.48-1,517,343.78-479,168.28

Finding the Fourth Proportional to 1,011,267.48, 1,517,343.78 and 479,168.28

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Solution

The fourth proportional to 1,011,267.48, 1,517,343.78 and 479,168.28 is: 718,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,267.48 : 1,517,343.78 = 479,168.28 : x
  2. Step 2: Convert to fraction form
    1,011,267.48/1,517,343.78 = 479,168.28/x
  3. Step 3: Cross multiply
    1,011,267.48x = 1,517,343.78 × 479,168.28
  4. Step 4: Simplify right side
    1,011,267.48x = 727,063,009,231.30
  5. Step 5: Solve for x
    x = 727,063,009,231.30/1,011,267.48
  6. Step 6: Final answer
    x = 718,962.12

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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.