Home / 1,252,807.46-1,728,874.28-679,847.64

Finding the Fourth Proportional to 1,252,807.46, 1,728,874.28 and 679,847.64

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Solution

The fourth proportional to 1,252,807.46, 1,728,874.28 and 679,847.64 is: 938,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,807.46 : 1,728,874.28 = 679,847.64 : x
  2. Step 2: Convert to fraction form
    1,252,807.46/1,728,874.28 = 679,847.64/x
  3. Step 3: Cross multiply
    1,252,807.46x = 1,728,874.28 × 679,847.64
  4. Step 4: Simplify right side
    1,252,807.46x = 1,175,371,099,114.70
  5. Step 5: Solve for x
    x = 1,175,371,099,114.70/1,252,807.46
  6. Step 6: Final answer
    x = 938,189.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.