Home / 1,200,279.60-1,656,542.52-691,003.44

Finding the Fourth Proportional to 1,200,279.60, 1,656,542.52 and 691,003.44

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Solution

The fourth proportional to 1,200,279.60, 1,656,542.52 and 691,003.44 is: 953,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,279.60 : 1,656,542.52 = 691,003.44 : x
  2. Step 2: Convert to fraction form
    1,200,279.60/1,656,542.52 = 691,003.44/x
  3. Step 3: Cross multiply
    1,200,279.60x = 1,656,542.52 × 691,003.44
  4. Step 4: Simplify right side
    1,200,279.60x = 1,144,676,579,826.27
  5. Step 5: Solve for x
    x = 1,144,676,579,826.27/1,200,279.60
  6. Step 6: Final answer
    x = 953,674.94

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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.