Home / 1,275,372.42-1,759,933.19-702,412.59

Finding the Fourth Proportional to 1,275,372.42, 1,759,933.19 and 702,412.59

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Solution

The fourth proportional to 1,275,372.42, 1,759,933.19 and 702,412.59 is: 969,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,372.42 : 1,759,933.19 = 702,412.59 : x
  2. Step 2: Convert to fraction form
    1,275,372.42/1,759,933.19 = 702,412.59/x
  3. Step 3: Cross multiply
    1,275,372.42x = 1,759,933.19 × 702,412.59
  4. Step 4: Simplify right side
    1,275,372.42x = 1,236,199,221,415.20
  5. Step 5: Solve for x
    x = 1,236,199,221,415.20/1,275,372.42
  6. Step 6: Final answer
    x = 969,284.90

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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.