Home / 1,246,902.90-1,869,683.64-646,375.38

Finding the Fourth Proportional to 1,246,902.90, 1,869,683.64 and 646,375.38

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Solution

The fourth proportional to 1,246,902.90, 1,869,683.64 and 646,375.38 is: 969,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,902.90 : 1,869,683.64 = 646,375.38 : x
  2. Step 2: Convert to fraction form
    1,246,902.90/1,869,683.64 = 646,375.38/x
  3. Step 3: Cross multiply
    1,246,902.90x = 1,869,683.64 × 646,375.38
  4. Step 4: Simplify right side
    1,246,902.90x = 1,208,517,473,284.78
  5. Step 5: Solve for x
    x = 1,208,517,473,284.78/1,246,902.90
  6. Step 6: Final answer
    x = 969,215.38

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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.