Home / 1,445,788.80-1,995,200.28-801,219.60

Finding the Fourth Proportional to 1,445,788.80, 1,995,200.28 and 801,219.60

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Solution

The fourth proportional to 1,445,788.80, 1,995,200.28 and 801,219.60 is: 1,105,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,788.80 : 1,995,200.28 = 801,219.60 : x
  2. Step 2: Convert to fraction form
    1,445,788.80/1,995,200.28 = 801,219.60/x
  3. Step 3: Cross multiply
    1,445,788.80x = 1,995,200.28 × 801,219.60
  4. Step 4: Simplify right side
    1,445,788.80x = 1,598,593,570,261.49
  5. Step 5: Solve for x
    x = 1,598,593,570,261.49/1,445,788.80
  6. Step 6: Final answer
    x = 1,105,689.55

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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.