Home / 1,051,963.10-1,451,367.22-643,639.26

Finding the Fourth Proportional to 1,051,963.10, 1,451,367.22 and 643,639.26

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Solution

The fourth proportional to 1,051,963.10, 1,451,367.22 and 643,639.26 is: 888,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,963.10 : 1,451,367.22 = 643,639.26 : x
  2. Step 2: Convert to fraction form
    1,051,963.10/1,451,367.22 = 643,639.26/x
  3. Step 3: Cross multiply
    1,051,963.10x = 1,451,367.22 × 643,639.26
  4. Step 4: Simplify right side
    1,051,963.10x = 934,156,923,469.06
  5. Step 5: Solve for x
    x = 934,156,923,469.06/1,051,963.10
  6. Step 6: Final answer
    x = 888,013.01

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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.