Home / 1,275,389.22-1,760,116.66-702,429.24

Finding the Fourth Proportional to 1,275,389.22, 1,760,116.66 and 702,429.24

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Solution

The fourth proportional to 1,275,389.22, 1,760,116.66 and 702,429.24 is: 969,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,389.22 : 1,760,116.66 = 702,429.24 : x
  2. Step 2: Convert to fraction form
    1,275,389.22/1,760,116.66 = 702,429.24/x
  3. Step 3: Cross multiply
    1,275,389.22x = 1,760,116.66 × 702,429.24
  4. Step 4: Simplify right side
    1,275,389.22x = 1,236,357,406,039.07
  5. Step 5: Solve for x
    x = 1,236,357,406,039.07/1,275,389.22
  6. Step 6: Final answer
    x = 969,396.16

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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.