Home / 1,428,617.64-2,143,527.64-889,325.31

Finding the Fourth Proportional to 1,428,617.64, 2,143,527.64 and 889,325.31

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Solution

The fourth proportional to 1,428,617.64, 2,143,527.64 and 889,325.31 is: 1,334,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,617.64 : 2,143,527.64 = 889,325.31 : x
  2. Step 2: Convert to fraction form
    1,428,617.64/2,143,527.64 = 889,325.31/x
  3. Step 3: Cross multiply
    1,428,617.64x = 2,143,527.64 × 889,325.31
  4. Step 4: Simplify right side
    1,428,617.64x = 1,906,293,382,936.57
  5. Step 5: Solve for x
    x = 1,906,293,382,936.57/1,428,617.64
  6. Step 6: Final answer
    x = 1,334,362.20

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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.