Home / 2,079,040.30-3,118,560.45-731,192.20

Finding the Fourth Proportional to 2,079,040.30, 3,118,560.45 and 731,192.20

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Solution

The fourth proportional to 2,079,040.30, 3,118,560.45 and 731,192.20 is: 1,096,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,040.30 : 3,118,560.45 = 731,192.20 : x
  2. Step 2: Convert to fraction form
    2,079,040.30/3,118,560.45 = 731,192.20/x
  3. Step 3: Cross multiply
    2,079,040.30x = 3,118,560.45 × 731,192.20
  4. Step 4: Simplify right side
    2,079,040.30x = 2,280,267,076,268.49
  5. Step 5: Solve for x
    x = 2,280,267,076,268.49/2,079,040.30
  6. Step 6: Final answer
    x = 1,096,788.30

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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.