Home / 1,185,990.39-1,635,998.58-750,272.56

Finding the Fourth Proportional to 1,185,990.39, 1,635,998.58 and 750,272.56

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Solution

The fourth proportional to 1,185,990.39, 1,635,998.58 and 750,272.56 is: 1,034,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,990.39 : 1,635,998.58 = 750,272.56 : x
  2. Step 2: Convert to fraction form
    1,185,990.39/1,635,998.58 = 750,272.56/x
  3. Step 3: Cross multiply
    1,185,990.39x = 1,635,998.58 × 750,272.56
  4. Step 4: Simplify right side
    1,185,990.39x = 1,227,444,838,682.97
  5. Step 5: Solve for x
    x = 1,227,444,838,682.97/1,185,990.39
  6. Step 6: Final answer
    x = 1,034,953.44

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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.