Home / 2,895,054.66-4,342,618.95-765,120.38

Finding the Fourth Proportional to 2,895,054.66, 4,342,618.95 and 765,120.38

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Solution

The fourth proportional to 2,895,054.66, 4,342,618.95 and 765,120.38 is: 1,147,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,054.66 : 4,342,618.95 = 765,120.38 : x
  2. Step 2: Convert to fraction form
    2,895,054.66/4,342,618.95 = 765,120.38/x
  3. Step 3: Cross multiply
    2,895,054.66x = 4,342,618.95 × 765,120.38
  4. Step 4: Simplify right side
    2,895,054.66x = 3,322,626,239,506.11
  5. Step 5: Solve for x
    x = 3,322,626,239,506.11/2,895,054.66
  6. Step 6: Final answer
    x = 1,147,690.33

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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.