Home / 1,485,368.38-2,227,694.10-685,881.37

Finding the Fourth Proportional to 1,485,368.38, 2,227,694.10 and 685,881.37

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Solution

The fourth proportional to 1,485,368.38, 2,227,694.10 and 685,881.37 is: 1,028,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,368.38 : 2,227,694.10 = 685,881.37 : x
  2. Step 2: Convert to fraction form
    1,485,368.38/2,227,694.10 = 685,881.37/x
  3. Step 3: Cross multiply
    1,485,368.38x = 2,227,694.10 × 685,881.37
  4. Step 4: Simplify right side
    1,485,368.38x = 1,527,933,881,248.92
  5. Step 5: Solve for x
    x = 1,527,933,881,248.92/1,485,368.38
  6. Step 6: Final answer
    x = 1,028,656.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.