Home / 1,358,672.40-2,039,320.80-827,231.40

Finding the Fourth Proportional to 1,358,672.40, 2,039,320.80 and 827,231.40

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Solution

The fourth proportional to 1,358,672.40, 2,039,320.80 and 827,231.40 is: 1,241,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,672.40 : 2,039,320.80 = 827,231.40 : x
  2. Step 2: Convert to fraction form
    1,358,672.40/2,039,320.80 = 827,231.40/x
  3. Step 3: Cross multiply
    1,358,672.40x = 2,039,320.80 × 827,231.40
  4. Step 4: Simplify right side
    1,358,672.40x = 1,686,990,200,433.12
  5. Step 5: Solve for x
    x = 1,686,990,200,433.12/1,358,672.40
  6. Step 6: Final answer
    x = 1,241,646.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.