Home / 748,927.20-1,123,390.80-744,261.60

Finding the Fourth Proportional to 748,927.20, 1,123,390.80 and 744,261.60

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Solution

The fourth proportional to 748,927.20, 1,123,390.80 and 744,261.60 is: 1,116,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,927.20 : 1,123,390.80 = 744,261.60 : x
  2. Step 2: Convert to fraction form
    748,927.20/1,123,390.80 = 744,261.60/x
  3. Step 3: Cross multiply
    748,927.20x = 1,123,390.80 × 744,261.60
  4. Step 4: Simplify right side
    748,927.20x = 836,096,634,233.28
  5. Step 5: Solve for x
    x = 836,096,634,233.28/748,927.20
  6. Step 6: Final answer
    x = 1,116,392.40

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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.