Home / 1,322,928.68-1,984,403.96-424,377.86

Finding the Fourth Proportional to 1,322,928.68, 1,984,403.96 and 424,377.86

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Solution

The fourth proportional to 1,322,928.68, 1,984,403.96 and 424,377.86 is: 636,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,928.68 : 1,984,403.96 = 424,377.86 : x
  2. Step 2: Convert to fraction form
    1,322,928.68/1,984,403.96 = 424,377.86/x
  3. Step 3: Cross multiply
    1,322,928.68x = 1,984,403.96 × 424,377.86
  4. Step 4: Simplify right side
    1,322,928.68x = 842,137,093,876.42
  5. Step 5: Solve for x
    x = 842,137,093,876.42/1,322,928.68
  6. Step 6: Final answer
    x = 636,570.29

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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.