Home / 1,485,389.88-2,227,726.26-685,902.87

Finding the Fourth Proportional to 1,485,389.88, 2,227,726.26 and 685,902.87

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Solution

The fourth proportional to 1,485,389.88, 2,227,726.26 and 685,902.87 is: 1,028,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,389.88 : 2,227,726.26 = 685,902.87 : x
  2. Step 2: Convert to fraction form
    1,485,389.88/2,227,726.26 = 685,902.87/x
  3. Step 3: Cross multiply
    1,485,389.88x = 2,227,726.26 × 685,902.87
  4. Step 4: Simplify right side
    1,485,389.88x = 1,528,003,835,308.37
  5. Step 5: Solve for x
    x = 1,528,003,835,308.37/1,485,389.88
  6. Step 6: Final answer
    x = 1,028,688.73

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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.