Home / 1,185,277.14-1,635,669.96-641,401.02

Finding the Fourth Proportional to 1,185,277.14, 1,635,669.96 and 641,401.02

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Solution

The fourth proportional to 1,185,277.14, 1,635,669.96 and 641,401.02 is: 885,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,277.14 : 1,635,669.96 = 641,401.02 : x
  2. Step 2: Convert to fraction form
    1,185,277.14/1,635,669.96 = 641,401.02/x
  3. Step 3: Cross multiply
    1,185,277.14x = 1,635,669.96 × 641,401.02
  4. Step 4: Simplify right side
    1,185,277.14x = 1,049,120,380,727.36
  5. Step 5: Solve for x
    x = 1,049,120,380,727.36/1,185,277.14
  6. Step 6: Final answer
    x = 885,126.65

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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.