Home / 1,515,132.95-2,090,927.91-826,849.25

Finding the Fourth Proportional to 1,515,132.95, 2,090,927.91 and 826,849.25

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Solution

The fourth proportional to 1,515,132.95, 2,090,927.91 and 826,849.25 is: 1,141,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,132.95 : 2,090,927.91 = 826,849.25 : x
  2. Step 2: Convert to fraction form
    1,515,132.95/2,090,927.91 = 826,849.25/x
  3. Step 3: Cross multiply
    1,515,132.95x = 2,090,927.91 × 826,849.25
  4. Step 4: Simplify right side
    1,515,132.95x = 1,728,882,170,023.57
  5. Step 5: Solve for x
    x = 1,728,882,170,023.57/1,515,132.95
  6. Step 6: Final answer
    x = 1,141,076.22

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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.