Home / 1,463,687.97-2,020,100.73-843,374.40

Finding the Fourth Proportional to 1,463,687.97, 2,020,100.73 and 843,374.40

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Solution

The fourth proportional to 1,463,687.97, 2,020,100.73 and 843,374.40 is: 1,163,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,687.97 : 2,020,100.73 = 843,374.40 : x
  2. Step 2: Convert to fraction form
    1,463,687.97/2,020,100.73 = 843,374.40/x
  3. Step 3: Cross multiply
    1,463,687.97x = 2,020,100.73 × 843,374.40
  4. Step 4: Simplify right side
    1,463,687.97x = 1,703,701,241,103.31
  5. Step 5: Solve for x
    x = 1,703,701,241,103.31/1,463,687.97
  6. Step 6: Final answer
    x = 1,163,978.44

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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.