Home / 1,105,760.82-1,525,364.67-760,998.20

Finding the Fourth Proportional to 1,105,760.82, 1,525,364.67 and 760,998.20

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Solution

The fourth proportional to 1,105,760.82, 1,525,364.67 and 760,998.20 is: 1,049,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,760.82 : 1,525,364.67 = 760,998.20 : x
  2. Step 2: Convert to fraction form
    1,105,760.82/1,525,364.67 = 760,998.20/x
  3. Step 3: Cross multiply
    1,105,760.82x = 1,525,364.67 × 760,998.20
  4. Step 4: Simplify right side
    1,105,760.82x = 1,160,799,765,590.29
  5. Step 5: Solve for x
    x = 1,160,799,765,590.29/1,105,760.82
  6. Step 6: Final answer
    x = 1,049,774.73

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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.