Home / 1,105,761.32-1,525,365.36-760,998.70

Finding the Fourth Proportional to 1,105,761.32, 1,525,365.36 and 760,998.70

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Solution

The fourth proportional to 1,105,761.32, 1,525,365.36 and 760,998.70 is: 1,049,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,761.32 : 1,525,365.36 = 760,998.70 : x
  2. Step 2: Convert to fraction form
    1,105,761.32/1,525,365.36 = 760,998.70/x
  3. Step 3: Cross multiply
    1,105,761.32x = 1,525,365.36 × 760,998.70
  4. Step 4: Simplify right side
    1,105,761.32x = 1,160,801,055,985.03
  5. Step 5: Solve for x
    x = 1,160,801,055,985.03/1,105,761.32
  6. Step 6: Final answer
    x = 1,049,775.42

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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.