Home / 1,443,031.44-1,991,385.72-798,478.80

Finding the Fourth Proportional to 1,443,031.44, 1,991,385.72 and 798,478.80

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Solution

The fourth proportional to 1,443,031.44, 1,991,385.72 and 798,478.80 is: 1,101,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,031.44 : 1,991,385.72 = 798,478.80 : x
  2. Step 2: Convert to fraction form
    1,443,031.44/1,991,385.72 = 798,478.80/x
  3. Step 3: Cross multiply
    1,443,031.44x = 1,991,385.72 × 798,478.80
  4. Step 4: Simplify right side
    1,443,031.44x = 1,590,079,280,042.74
  5. Step 5: Solve for x
    x = 1,590,079,280,042.74/1,443,031.44
  6. Step 6: Final answer
    x = 1,101,902.03

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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.