Home / 1,275,485.70-1,760,170.21-702,525.89

Finding the Fourth Proportional to 1,275,485.70, 1,760,170.21 and 702,525.89

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Solution

The fourth proportional to 1,275,485.70, 1,760,170.21 and 702,525.89 is: 969,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,485.70 : 1,760,170.21 = 702,525.89 : x
  2. Step 2: Convert to fraction form
    1,275,485.70/1,760,170.21 = 702,525.89/x
  3. Step 3: Cross multiply
    1,275,485.70x = 1,760,170.21 × 702,525.89
  4. Step 4: Simplify right side
    1,275,485.70x = 1,236,565,134,530.89
  5. Step 5: Solve for x
    x = 1,236,565,134,530.89/1,275,485.70
  6. Step 6: Final answer
    x = 969,485.69

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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.