Home / 1,012,872.88-1,397,708.04-553,896.88

Finding the Fourth Proportional to 1,012,872.88, 1,397,708.04 and 553,896.88

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Solution

The fourth proportional to 1,012,872.88, 1,397,708.04 and 553,896.88 is: 764,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,872.88 : 1,397,708.04 = 553,896.88 : x
  2. Step 2: Convert to fraction form
    1,012,872.88/1,397,708.04 = 553,896.88/x
  3. Step 3: Cross multiply
    1,012,872.88x = 1,397,708.04 × 553,896.88
  4. Step 4: Simplify right side
    1,012,872.88x = 774,186,122,506.92
  5. Step 5: Solve for x
    x = 774,186,122,506.92/1,012,872.88
  6. Step 6: Final answer
    x = 764,346.78

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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.