Home / 939,661.76-1,409,069.28-560,757.44

Finding the Fourth Proportional to 939,661.76, 1,409,069.28 and 560,757.44

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Solution

The fourth proportional to 939,661.76, 1,409,069.28 and 560,757.44 is: 840,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,661.76 : 1,409,069.28 = 560,757.44 : x
  2. Step 2: Convert to fraction form
    939,661.76/1,409,069.28 = 560,757.44/x
  3. Step 3: Cross multiply
    939,661.76x = 1,409,069.28 × 560,757.44
  4. Step 4: Simplify right side
    939,661.76x = 790,146,082,235.44
  5. Step 5: Solve for x
    x = 790,146,082,235.44/939,661.76
  6. Step 6: Final answer
    x = 840,883.51

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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.