Home / 1,686,664.34-2,327,599.62-998,891.04

Finding the Fourth Proportional to 1,686,664.34, 2,327,599.62 and 998,891.04

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Solution

The fourth proportional to 1,686,664.34, 2,327,599.62 and 998,891.04 is: 1,378,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,664.34 : 2,327,599.62 = 998,891.04 : x
  2. Step 2: Convert to fraction form
    1,686,664.34/2,327,599.62 = 998,891.04/x
  3. Step 3: Cross multiply
    1,686,664.34x = 2,327,599.62 × 998,891.04
  4. Step 4: Simplify right side
    1,686,664.34x = 2,325,018,405,125.40
  5. Step 5: Solve for x
    x = 2,325,018,405,125.40/1,686,664.34
  6. Step 6: Final answer
    x = 1,378,471.32

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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.