Home / 748,936.80-1,122,022.80-699,170.40

Finding the Fourth Proportional to 748,936.80, 1,122,022.80 and 699,170.40

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Solution

The fourth proportional to 748,936.80, 1,122,022.80 and 699,170.40 is: 1,047,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,936.80 : 1,122,022.80 = 699,170.40 : x
  2. Step 2: Convert to fraction form
    748,936.80/1,122,022.80 = 699,170.40/x
  3. Step 3: Cross multiply
    748,936.80x = 1,122,022.80 × 699,170.40
  4. Step 4: Simplify right side
    748,936.80x = 784,485,129,885.12
  5. Step 5: Solve for x
    x = 784,485,129,885.12/748,936.80
  6. Step 6: Final answer
    x = 1,047,465.06

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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.