Home / 1,438,956.84-1,985,763.38-794,377.92

Finding the Fourth Proportional to 1,438,956.84, 1,985,763.38 and 794,377.92

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Solution

The fourth proportional to 1,438,956.84, 1,985,763.38 and 794,377.92 is: 1,096,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,956.84 : 1,985,763.38 = 794,377.92 : x
  2. Step 2: Convert to fraction form
    1,438,956.84/1,985,763.38 = 794,377.92/x
  3. Step 3: Cross multiply
    1,438,956.84x = 1,985,763.38 × 794,377.92
  4. Step 4: Simplify right side
    1,438,956.84x = 1,577,446,583,416.57
  5. Step 5: Solve for x
    x = 1,577,446,583,416.57/1,438,956.84
  6. Step 6: Final answer
    x = 1,096,243.15

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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.