Home / 1,286,061.30-1,928,697.90-889,252.02

Finding the Fourth Proportional to 1,286,061.30, 1,928,697.90 and 889,252.02

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Solution

The fourth proportional to 1,286,061.30, 1,928,697.90 and 889,252.02 is: 1,333,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,061.30 : 1,928,697.90 = 889,252.02 : x
  2. Step 2: Convert to fraction form
    1,286,061.30/1,928,697.90 = 889,252.02/x
  3. Step 3: Cross multiply
    1,286,061.30x = 1,928,697.90 × 889,252.02
  4. Step 4: Simplify right side
    1,286,061.30x = 1,715,098,503,544.76
  5. Step 5: Solve for x
    x = 1,715,098,503,544.76/1,286,061.30
  6. Step 6: Final answer
    x = 1,333,605.56

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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.