Home / 1,780,781.04-2,456,999.64-1,016,682.48

Finding the Fourth Proportional to 1,780,781.04, 2,456,999.64 and 1,016,682.48

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Solution

The fourth proportional to 1,780,781.04, 2,456,999.64 and 1,016,682.48 is: 1,402,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,781.04 : 2,456,999.64 = 1,016,682.48 : x
  2. Step 2: Convert to fraction form
    1,780,781.04/2,456,999.64 = 1,016,682.48/x
  3. Step 3: Cross multiply
    1,780,781.04x = 2,456,999.64 × 1,016,682.48
  4. Step 4: Simplify right side
    1,780,781.04x = 2,497,988,487,354.31
  5. Step 5: Solve for x
    x = 2,497,988,487,354.31/1,780,781.04
  6. Step 6: Final answer
    x = 1,402,748.81

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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.