Home / 1,686,388.68-2,328,000.66-997,844.04

Finding the Fourth Proportional to 1,686,388.68, 2,328,000.66 and 997,844.04

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Solution

The fourth proportional to 1,686,388.68, 2,328,000.66 and 997,844.04 is: 1,377,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,388.68 : 2,328,000.66 = 997,844.04 : x
  2. Step 2: Convert to fraction form
    1,686,388.68/2,328,000.66 = 997,844.04/x
  3. Step 3: Cross multiply
    1,686,388.68x = 2,328,000.66 × 997,844.04
  4. Step 4: Simplify right side
    1,686,388.68x = 2,322,981,583,697.07
  5. Step 5: Solve for x
    x = 2,322,981,583,697.07/1,686,388.68
  6. Step 6: Final answer
    x = 1,377,488.84

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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.