Home / 1,275,744.85-1,760,527.09-702,785.02

Finding the Fourth Proportional to 1,275,744.85, 1,760,527.09 and 702,785.02

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Solution

The fourth proportional to 1,275,744.85, 1,760,527.09 and 702,785.02 is: 969,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,744.85 : 1,760,527.09 = 702,785.02 : x
  2. Step 2: Convert to fraction form
    1,275,744.85/1,760,527.09 = 702,785.02/x
  3. Step 3: Cross multiply
    1,275,744.85x = 1,760,527.09 × 702,785.02
  4. Step 4: Simplify right side
    1,275,744.85x = 1,237,272,066,156.19
  5. Step 5: Solve for x
    x = 1,237,272,066,156.19/1,275,744.85
  6. Step 6: Final answer
    x = 969,842.89

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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.