Home / 1,453,990.80-2,181,331.80-612,109.20

Finding the Fourth Proportional to 1,453,990.80, 2,181,331.80 and 612,109.20

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Solution

The fourth proportional to 1,453,990.80, 2,181,331.80 and 612,109.20 is: 918,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,990.80 : 2,181,331.80 = 612,109.20 : x
  2. Step 2: Convert to fraction form
    1,453,990.80/2,181,331.80 = 612,109.20/x
  3. Step 3: Cross multiply
    1,453,990.80x = 2,181,331.80 × 612,109.20
  4. Step 4: Simplify right side
    1,453,990.80x = 1,335,213,263,032.56
  5. Step 5: Solve for x
    x = 1,335,213,263,032.56/1,453,990.80
  6. Step 6: Final answer
    x = 918,309.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.