Home / 1,100,515.40-1,650,773.10-726,538.40

Finding the Fourth Proportional to 1,100,515.40, 1,650,773.10 and 726,538.40

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Solution

The fourth proportional to 1,100,515.40, 1,650,773.10 and 726,538.40 is: 1,089,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,515.40 : 1,650,773.10 = 726,538.40 : x
  2. Step 2: Convert to fraction form
    1,100,515.40/1,650,773.10 = 726,538.40/x
  3. Step 3: Cross multiply
    1,100,515.40x = 1,650,773.10 × 726,538.40
  4. Step 4: Simplify right side
    1,100,515.40x = 1,199,350,046,837.04
  5. Step 5: Solve for x
    x = 1,199,350,046,837.04/1,100,515.40
  6. Step 6: Final answer
    x = 1,089,807.60

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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.