Home / 1,438,960.74-1,985,754.65-794,381.86

Finding the Fourth Proportional to 1,438,960.74, 1,985,754.65 and 794,381.86

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Solution

The fourth proportional to 1,438,960.74, 1,985,754.65 and 794,381.86 is: 1,096,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,960.74 : 1,985,754.65 = 794,381.86 : x
  2. Step 2: Convert to fraction form
    1,438,960.74/1,985,754.65 = 794,381.86/x
  3. Step 3: Cross multiply
    1,438,960.74x = 1,985,754.65 × 794,381.86
  4. Step 4: Simplify right side
    1,438,960.74x = 1,577,447,472,370.65
  5. Step 5: Solve for x
    x = 1,577,447,472,370.65/1,438,960.74
  6. Step 6: Final answer
    x = 1,096,240.80

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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.