Home / 1,275,521.54-1,760,219.55-702,561.71

Finding the Fourth Proportional to 1,275,521.54, 1,760,219.55 and 702,561.71

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Solution

The fourth proportional to 1,275,521.54, 1,760,219.55 and 702,561.71 is: 969,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,521.54 : 1,760,219.55 = 702,561.71 : x
  2. Step 2: Convert to fraction form
    1,275,521.54/1,760,219.55 = 702,561.71/x
  3. Step 3: Cross multiply
    1,275,521.54x = 1,760,219.55 × 702,561.71
  4. Step 4: Simplify right side
    1,275,521.54x = 1,236,662,848,222.33
  5. Step 5: Solve for x
    x = 1,236,662,848,222.33/1,275,521.54
  6. Step 6: Final answer
    x = 969,535.06

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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.