Home / 1,438,909.81-1,985,643.49-794,316.16

Finding the Fourth Proportional to 1,438,909.81, 1,985,643.49 and 794,316.16

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Solution

The fourth proportional to 1,438,909.81, 1,985,643.49 and 794,316.16 is: 1,096,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,909.81 : 1,985,643.49 = 794,316.16 : x
  2. Step 2: Convert to fraction form
    1,438,909.81/1,985,643.49 = 794,316.16/x
  3. Step 3: Cross multiply
    1,438,909.81x = 1,985,643.49 × 794,316.16
  4. Step 4: Simplify right side
    1,438,909.81x = 1,577,228,712,105.80
  5. Step 5: Solve for x
    x = 1,577,228,712,105.80/1,438,909.81
  6. Step 6: Final answer
    x = 1,096,127.57

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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.