Home / 1,118,921.28-1,544,683.20-758,250.72

Finding the Fourth Proportional to 1,118,921.28, 1,544,683.20 and 758,250.72

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Solution

The fourth proportional to 1,118,921.28, 1,544,683.20 and 758,250.72 is: 1,046,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,921.28 : 1,544,683.20 = 758,250.72 : x
  2. Step 2: Convert to fraction form
    1,118,921.28/1,544,683.20 = 758,250.72/x
  3. Step 3: Cross multiply
    1,118,921.28x = 1,544,683.20 × 758,250.72
  4. Step 4: Simplify right side
    1,118,921.28x = 1,171,257,148,571.90
  5. Step 5: Solve for x
    x = 1,171,257,148,571.90/1,118,921.28
  6. Step 6: Final answer
    x = 1,046,773.50

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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.