Home / 1,012,396.05-1,519,578.23-613,815.30

Finding the Fourth Proportional to 1,012,396.05, 1,519,578.23 and 613,815.30

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Solution

The fourth proportional to 1,012,396.05, 1,519,578.23 and 613,815.30 is: 921,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,396.05 : 1,519,578.23 = 613,815.30 : x
  2. Step 2: Convert to fraction form
    1,012,396.05/1,519,578.23 = 613,815.30/x
  3. Step 3: Cross multiply
    1,012,396.05x = 1,519,578.23 × 613,815.30
  4. Step 4: Simplify right side
    1,012,396.05x = 932,740,364,051.84
  5. Step 5: Solve for x
    x = 932,740,364,051.84/1,012,396.05
  6. Step 6: Final answer
    x = 921,319.64

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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.