Home / 1,428,646.14-2,143,018.62-718,286.94

Finding the Fourth Proportional to 1,428,646.14, 2,143,018.62 and 718,286.94

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Solution

The fourth proportional to 1,428,646.14, 2,143,018.62 and 718,286.94 is: 1,077,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,646.14 : 2,143,018.62 = 718,286.94 : x
  2. Step 2: Convert to fraction form
    1,428,646.14/2,143,018.62 = 718,286.94/x
  3. Step 3: Cross multiply
    1,428,646.14x = 2,143,018.62 × 718,286.94
  4. Step 4: Simplify right side
    1,428,646.14x = 1,539,302,286,922.82
  5. Step 5: Solve for x
    x = 1,539,302,286,922.82/1,428,646.14
  6. Step 6: Final answer
    x = 1,077,455.25

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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.