Home / 1,329,689.88-1,994,243.22-382,854.96

Finding the Fourth Proportional to 1,329,689.88, 1,994,243.22 and 382,854.96

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Solution

The fourth proportional to 1,329,689.88, 1,994,243.22 and 382,854.96 is: 574,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,689.88 : 1,994,243.22 = 382,854.96 : x
  2. Step 2: Convert to fraction form
    1,329,689.88/1,994,243.22 = 382,854.96/x
  3. Step 3: Cross multiply
    1,329,689.88x = 1,994,243.22 × 382,854.96
  4. Step 4: Simplify right side
    1,329,689.88x = 763,505,908,223.37
  5. Step 5: Solve for x
    x = 763,505,908,223.37/1,329,689.88
  6. Step 6: Final answer
    x = 574,198.48

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Double scale
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Similar ratio
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1.5x scale

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.