Home / 1,012,873.88-1,397,709.42-553,897.88

Finding the Fourth Proportional to 1,012,873.88, 1,397,709.42 and 553,897.88

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Solution

The fourth proportional to 1,012,873.88, 1,397,709.42 and 553,897.88 is: 764,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,873.88 : 1,397,709.42 = 553,897.88 : x
  2. Step 2: Convert to fraction form
    1,012,873.88/1,397,709.42 = 553,897.88/x
  3. Step 3: Cross multiply
    1,012,873.88x = 1,397,709.42 × 553,897.88
  4. Step 4: Simplify right side
    1,012,873.88x = 774,188,284,594.03
  5. Step 5: Solve for x
    x = 774,188,284,594.03/1,012,873.88
  6. Step 6: Final answer
    x = 764,348.16

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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.