Home / 1,019,049.64-1,528,578.14-309,083.88

Finding the Fourth Proportional to 1,019,049.64, 1,528,578.14 and 309,083.88

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Solution

The fourth proportional to 1,019,049.64, 1,528,578.14 and 309,083.88 is: 463,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,049.64 : 1,528,578.14 = 309,083.88 : x
  2. Step 2: Convert to fraction form
    1,019,049.64/1,528,578.14 = 309,083.88/x
  3. Step 3: Cross multiply
    1,019,049.64x = 1,528,578.14 × 309,083.88
  4. Step 4: Simplify right side
    1,019,049.64x = 472,458,862,394.38
  5. Step 5: Solve for x
    x = 472,458,862,394.38/1,019,049.64
  6. Step 6: Final answer
    x = 463,626.94

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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.