Home / 1,515,114.31-2,090,902.23-826,830.59

Finding the Fourth Proportional to 1,515,114.31, 2,090,902.23 and 826,830.59

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Solution

The fourth proportional to 1,515,114.31, 2,090,902.23 and 826,830.59 is: 1,141,050.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,114.31 : 2,090,902.23 = 826,830.59 : x
  2. Step 2: Convert to fraction form
    1,515,114.31/2,090,902.23 = 826,830.59/x
  3. Step 3: Cross multiply
    1,515,114.31x = 2,090,902.23 × 826,830.59
  4. Step 4: Simplify right side
    1,515,114.31x = 1,728,821,920,329.06
  5. Step 5: Solve for x
    x = 1,728,821,920,329.06/1,515,114.31
  6. Step 6: Final answer
    x = 1,141,050.49

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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.