Home / 1,449,191.45-1,999,974.75-837,456.57

Finding the Fourth Proportional to 1,449,191.45, 1,999,974.75 and 837,456.57

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Solution

The fourth proportional to 1,449,191.45, 1,999,974.75 and 837,456.57 is: 1,155,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,191.45 : 1,999,974.75 = 837,456.57 : x
  2. Step 2: Convert to fraction form
    1,449,191.45/1,999,974.75 = 837,456.57/x
  3. Step 3: Cross multiply
    1,449,191.45x = 1,999,974.75 × 837,456.57
  4. Step 4: Simplify right side
    1,449,191.45x = 1,674,891,991,081.15
  5. Step 5: Solve for x
    x = 1,674,891,991,081.15/1,449,191.45
  6. Step 6: Final answer
    x = 1,155,742.39

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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.