Home / 881,765.19-1,321,711.29-560,907.65

Finding the Fourth Proportional to 881,765.19, 1,321,711.29 and 560,907.65

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Solution

The fourth proportional to 881,765.19, 1,321,711.29 and 560,907.65 is: 840,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,765.19 : 1,321,711.29 = 560,907.65 : x
  2. Step 2: Convert to fraction form
    881,765.19/1,321,711.29 = 560,907.65/x
  3. Step 3: Cross multiply
    881,765.19x = 1,321,711.29 × 560,907.65
  4. Step 4: Simplify right side
    881,765.19x = 741,357,976,956.65
  5. Step 5: Solve for x
    x = 741,357,976,956.65/881,765.19
  6. Step 6: Final answer
    x = 840,765.76

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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.