Home / 1,515,224.90-2,090,978.13-826,873.94

Finding the Fourth Proportional to 1,515,224.90, 2,090,978.13 and 826,873.94

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Solution

The fourth proportional to 1,515,224.90, 2,090,978.13 and 826,873.94 is: 1,141,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,224.90 : 2,090,978.13 = 826,873.94 : x
  2. Step 2: Convert to fraction form
    1,515,224.90/2,090,978.13 = 826,873.94/x
  3. Step 3: Cross multiply
    1,515,224.90x = 2,090,978.13 × 826,873.94
  4. Step 4: Simplify right side
    1,515,224.90x = 1,728,975,324,806.93
  5. Step 5: Solve for x
    x = 1,728,975,324,806.93/1,515,224.90
  6. Step 6: Final answer
    x = 1,141,068.45

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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.