Home / 1,339,252.10-1,847,851.28-787,991.86

Finding the Fourth Proportional to 1,339,252.10, 1,847,851.28 and 787,991.86

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Solution

The fourth proportional to 1,339,252.10, 1,847,851.28 and 787,991.86 is: 1,087,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,252.10 : 1,847,851.28 = 787,991.86 : x
  2. Step 2: Convert to fraction form
    1,339,252.10/1,847,851.28 = 787,991.86/x
  3. Step 3: Cross multiply
    1,339,252.10x = 1,847,851.28 × 787,991.86
  4. Step 4: Simplify right side
    1,339,252.10x = 1,456,091,768,455.41
  5. Step 5: Solve for x
    x = 1,456,091,768,455.41/1,339,252.10
  6. Step 6: Final answer
    x = 1,087,242.48

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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.