Home / 1,438,910.09-1,985,643.88-794,316.44

Finding the Fourth Proportional to 1,438,910.09, 1,985,643.88 and 794,316.44

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Solution

The fourth proportional to 1,438,910.09, 1,985,643.88 and 794,316.44 is: 1,096,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,910.09 : 1,985,643.88 = 794,316.44 : x
  2. Step 2: Convert to fraction form
    1,438,910.09/1,985,643.88 = 794,316.44/x
  3. Step 3: Cross multiply
    1,438,910.09x = 1,985,643.88 × 794,316.44
  4. Step 4: Simplify right side
    1,438,910.09x = 1,577,229,573,897.81
  5. Step 5: Solve for x
    x = 1,577,229,573,897.81/1,438,910.09
  6. Step 6: Final answer
    x = 1,096,127.96

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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.