Home / 1,443,316.11-1,991,726.85-798,763.47

Finding the Fourth Proportional to 1,443,316.11, 1,991,726.85 and 798,763.47

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Solution

The fourth proportional to 1,443,316.11, 1,991,726.85 and 798,763.47 is: 1,102,266.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,316.11 : 1,991,726.85 = 798,763.47 : x
  2. Step 2: Convert to fraction form
    1,443,316.11/1,991,726.85 = 798,763.47/x
  3. Step 3: Cross multiply
    1,443,316.11x = 1,991,726.85 × 798,763.47
  4. Step 4: Simplify right side
    1,443,316.11x = 1,590,918,649,998.17
  5. Step 5: Solve for x
    x = 1,590,918,649,998.17/1,443,316.11
  6. Step 6: Final answer
    x = 1,102,266.26

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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.