Home / 1,425,835.97-2,138,114.60-849,731.31

Finding the Fourth Proportional to 1,425,835.97, 2,138,114.60 and 849,731.31

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Solution

The fourth proportional to 1,425,835.97, 2,138,114.60 and 849,731.31 is: 1,274,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,835.97 : 2,138,114.60 = 849,731.31 : x
  2. Step 2: Convert to fraction form
    1,425,835.97/2,138,114.60 = 849,731.31/x
  3. Step 3: Cross multiply
    1,425,835.97x = 2,138,114.60 × 849,731.31
  4. Step 4: Simplify right side
    1,425,835.97x = 1,816,822,915,739.47
  5. Step 5: Solve for x
    x = 1,816,822,915,739.47/1,425,835.97
  6. Step 6: Final answer
    x = 1,274,215.94

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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.