Home / 1,322,662.14-1,825,416.36-749,640.78

Finding the Fourth Proportional to 1,322,662.14, 1,825,416.36 and 749,640.78

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Solution

The fourth proportional to 1,322,662.14, 1,825,416.36 and 749,640.78 is: 1,034,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,662.14 : 1,825,416.36 = 749,640.78 : x
  2. Step 2: Convert to fraction form
    1,322,662.14/1,825,416.36 = 749,640.78/x
  3. Step 3: Cross multiply
    1,322,662.14x = 1,825,416.36 × 749,640.78
  4. Step 4: Simplify right side
    1,322,662.14x = 1,368,406,543,935.16
  5. Step 5: Solve for x
    x = 1,368,406,543,935.16/1,322,662.14
  6. Step 6: Final answer
    x = 1,034,585.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.