Home / 1,438,909.34-1,985,642.84-794,315.69

Finding the Fourth Proportional to 1,438,909.34, 1,985,642.84 and 794,315.69

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Solution

The fourth proportional to 1,438,909.34, 1,985,642.84 and 794,315.69 is: 1,096,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,909.34 : 1,985,642.84 = 794,315.69 : x
  2. Step 2: Convert to fraction form
    1,438,909.34/1,985,642.84 = 794,315.69/x
  3. Step 3: Cross multiply
    1,438,909.34x = 1,985,642.84 × 794,315.69
  4. Step 4: Simplify right side
    1,438,909.34x = 1,577,227,262,548.16
  5. Step 5: Solve for x
    x = 1,577,227,262,548.16/1,438,909.34
  6. Step 6: Final answer
    x = 1,096,126.92

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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.