Home / 1,454,815.75-2,007,646.35-843,323.21

Finding the Fourth Proportional to 1,454,815.75, 2,007,646.35 and 843,323.21

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Solution

The fourth proportional to 1,454,815.75, 2,007,646.35 and 843,323.21 is: 1,163,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,815.75 : 2,007,646.35 = 843,323.21 : x
  2. Step 2: Convert to fraction form
    1,454,815.75/2,007,646.35 = 843,323.21/x
  3. Step 3: Cross multiply
    1,454,815.75x = 2,007,646.35 × 843,323.21
  4. Step 4: Simplify right side
    1,454,815.75x = 1,693,094,764,426.78
  5. Step 5: Solve for x
    x = 1,693,094,764,426.78/1,454,815.75
  6. Step 6: Final answer
    x = 1,163,786.39

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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.