Home / 1,085,813.80-1,628,915.10-454,791.40

Finding the Fourth Proportional to 1,085,813.80, 1,628,915.10 and 454,791.40

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Solution

The fourth proportional to 1,085,813.80, 1,628,915.10 and 454,791.40 is: 682,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,813.80 : 1,628,915.10 = 454,791.40 : x
  2. Step 2: Convert to fraction form
    1,085,813.80/1,628,915.10 = 454,791.40/x
  3. Step 3: Cross multiply
    1,085,813.80x = 1,628,915.10 × 454,791.40
  4. Step 4: Simplify right side
    1,085,813.80x = 740,816,578,810.14
  5. Step 5: Solve for x
    x = 740,816,578,810.14/1,085,813.80
  6. Step 6: Final answer
    x = 682,268.52

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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.