Home / 1,603,872.72-2,213,344.30-878,747.94

Finding the Fourth Proportional to 1,603,872.72, 2,213,344.30 and 878,747.94

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Solution

The fourth proportional to 1,603,872.72, 2,213,344.30 and 878,747.94 is: 1,212,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,872.72 : 2,213,344.30 = 878,747.94 : x
  2. Step 2: Convert to fraction form
    1,603,872.72/2,213,344.30 = 878,747.94/x
  3. Step 3: Cross multiply
    1,603,872.72x = 2,213,344.30 × 878,747.94
  4. Step 4: Simplify right side
    1,603,872.72x = 1,944,971,744,135.74
  5. Step 5: Solve for x
    x = 1,944,971,744,135.74/1,603,872.72
  6. Step 6: Final answer
    x = 1,212,672.13

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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.