Home / 1,238,099.10-1,857,148.65-1,131,810.90

Finding the Fourth Proportional to 1,238,099.10, 1,857,148.65 and 1,131,810.90

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Solution

The fourth proportional to 1,238,099.10, 1,857,148.65 and 1,131,810.90 is: 1,697,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,099.10 : 1,857,148.65 = 1,131,810.90 : x
  2. Step 2: Convert to fraction form
    1,238,099.10/1,857,148.65 = 1,131,810.90/x
  3. Step 3: Cross multiply
    1,238,099.10x = 1,857,148.65 × 1,131,810.90
  4. Step 4: Simplify right side
    1,238,099.10x = 2,101,941,084,990.28
  5. Step 5: Solve for x
    x = 2,101,941,084,990.28/1,238,099.10
  6. Step 6: Final answer
    x = 1,697,716.35

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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.