Home / 748,928.80-1,122,010.80-699,162.40

Finding the Fourth Proportional to 748,928.80, 1,122,010.80 and 699,162.40

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Solution

The fourth proportional to 748,928.80, 1,122,010.80 and 699,162.40 is: 1,047,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,928.80 : 1,122,010.80 = 699,162.40 : x
  2. Step 2: Convert to fraction form
    748,928.80/1,122,010.80 = 699,162.40/x
  3. Step 3: Cross multiply
    748,928.80x = 1,122,010.80 × 699,162.40
  4. Step 4: Simplify right side
    748,928.80x = 784,467,763,753.92
  5. Step 5: Solve for x
    x = 784,467,763,753.92/748,928.80
  6. Step 6: Final answer
    x = 1,047,453.06

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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.