Home / 1,085,621.40-1,628,436.33-454,092.21

Finding the Fourth Proportional to 1,085,621.40, 1,628,436.33 and 454,092.21

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Solution

The fourth proportional to 1,085,621.40, 1,628,436.33 and 454,092.21 is: 681,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,621.40 : 1,628,436.33 = 454,092.21 : x
  2. Step 2: Convert to fraction form
    1,085,621.40/1,628,436.33 = 454,092.21/x
  3. Step 3: Cross multiply
    1,085,621.40x = 1,628,436.33 × 454,092.21
  4. Step 4: Simplify right side
    1,085,621.40x = 739,460,251,933.99
  5. Step 5: Solve for x
    x = 739,460,251,933.99/1,085,621.40
  6. Step 6: Final answer
    x = 681,140.08

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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.