Home / 1,275,305.85-1,759,900.67-702,399.33

Finding the Fourth Proportional to 1,275,305.85, 1,759,900.67 and 702,399.33

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Solution

The fourth proportional to 1,275,305.85, 1,759,900.67 and 702,399.33 is: 969,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,305.85 : 1,759,900.67 = 702,399.33 : x
  2. Step 2: Convert to fraction form
    1,275,305.85/1,759,900.67 = 702,399.33/x
  3. Step 3: Cross multiply
    1,275,305.85x = 1,759,900.67 × 702,399.33
  4. Step 4: Simplify right side
    1,275,305.85x = 1,236,153,047,962.55
  5. Step 5: Solve for x
    x = 1,236,153,047,962.55/1,275,305.85
  6. Step 6: Final answer
    x = 969,299.28

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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.