Home / 1,686,387.68-2,327,999.28-997,843.04

Finding the Fourth Proportional to 1,686,387.68, 2,327,999.28 and 997,843.04

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Solution

The fourth proportional to 1,686,387.68, 2,327,999.28 and 997,843.04 is: 1,377,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,387.68 : 2,327,999.28 = 997,843.04 : x
  2. Step 2: Convert to fraction form
    1,686,387.68/2,327,999.28 = 997,843.04/x
  3. Step 3: Cross multiply
    1,686,387.68x = 2,327,999.28 × 997,843.04
  4. Step 4: Simplify right side
    1,686,387.68x = 2,322,977,878,673.01
  5. Step 5: Solve for x
    x = 2,322,977,878,673.01/1,686,387.68
  6. Step 6: Final answer
    x = 1,377,487.46

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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.