Home / 1,438,909.59-1,985,643.19-794,315.94

Finding the Fourth Proportional to 1,438,909.59, 1,985,643.19 and 794,315.94

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Solution

The fourth proportional to 1,438,909.59, 1,985,643.19 and 794,315.94 is: 1,096,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,909.59 : 1,985,643.19 = 794,315.94 : x
  2. Step 2: Convert to fraction form
    1,438,909.59/1,985,643.19 = 794,315.94/x
  3. Step 3: Cross multiply
    1,438,909.59x = 1,985,643.19 × 794,315.94
  4. Step 4: Simplify right side
    1,438,909.59x = 1,577,228,036,969.45
  5. Step 5: Solve for x
    x = 1,577,228,036,969.45/1,438,909.59
  6. Step 6: Final answer
    x = 1,096,127.27

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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.