Home / 1,223,287.20-1,831,431.60-750,895.20

Finding the Fourth Proportional to 1,223,287.20, 1,831,431.60 and 750,895.20

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Solution

The fourth proportional to 1,223,287.20, 1,831,431.60 and 750,895.20 is: 1,124,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,287.20 : 1,831,431.60 = 750,895.20 : x
  2. Step 2: Convert to fraction form
    1,223,287.20/1,831,431.60 = 750,895.20/x
  3. Step 3: Cross multiply
    1,223,287.20x = 1,831,431.60 × 750,895.20
  4. Step 4: Simplify right side
    1,223,287.20x = 1,375,213,197,568.32
  5. Step 5: Solve for x
    x = 1,375,213,197,568.32/1,223,287.20
  6. Step 6: Final answer
    x = 1,124,194.87

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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.