Home / 1,656,302.80-2,285,644.62-931,180.96

Finding the Fourth Proportional to 1,656,302.80, 2,285,644.62 and 931,180.96

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Solution

The fourth proportional to 1,656,302.80, 2,285,644.62 and 931,180.96 is: 1,284,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,302.80 : 2,285,644.62 = 931,180.96 : x
  2. Step 2: Convert to fraction form
    1,656,302.80/2,285,644.62 = 931,180.96/x
  3. Step 3: Cross multiply
    1,656,302.80x = 2,285,644.62 × 931,180.96
  4. Step 4: Simplify right side
    1,656,302.80x = 2,128,348,751,470.44
  5. Step 5: Solve for x
    x = 2,128,348,751,470.44/1,656,302.80
  6. Step 6: Final answer
    x = 1,284,999.79

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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.