Home / 1,010,270.40-1,515,405.60-744,549.90

Finding the Fourth Proportional to 1,010,270.40, 1,515,405.60 and 744,549.90

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Solution

The fourth proportional to 1,010,270.40, 1,515,405.60 and 744,549.90 is: 1,116,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,270.40 : 1,515,405.60 = 744,549.90 : x
  2. Step 2: Convert to fraction form
    1,010,270.40/1,515,405.60 = 744,549.90/x
  3. Step 3: Cross multiply
    1,010,270.40x = 1,515,405.60 × 744,549.90
  4. Step 4: Simplify right side
    1,010,270.40x = 1,128,295,087,939.44
  5. Step 5: Solve for x
    x = 1,128,295,087,939.44/1,010,270.40
  6. Step 6: Final answer
    x = 1,116,824.85

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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.