Home / 1,284,008.70-1,926,013.05-966,747.90

Finding the Fourth Proportional to 1,284,008.70, 1,926,013.05 and 966,747.90

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Solution

The fourth proportional to 1,284,008.70, 1,926,013.05 and 966,747.90 is: 1,450,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,008.70 : 1,926,013.05 = 966,747.90 : x
  2. Step 2: Convert to fraction form
    1,284,008.70/1,926,013.05 = 966,747.90/x
  3. Step 3: Cross multiply
    1,284,008.70x = 1,926,013.05 × 966,747.90
  4. Step 4: Simplify right side
    1,284,008.70x = 1,861,969,071,460.10
  5. Step 5: Solve for x
    x = 1,861,969,071,460.10/1,284,008.70
  6. Step 6: Final answer
    x = 1,450,121.85

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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.