Home / 1,990,868.25-2,986,313.31-494,960.25

Finding the Fourth Proportional to 1,990,868.25, 2,986,313.31 and 494,960.25

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Solution

The fourth proportional to 1,990,868.25, 2,986,313.31 and 494,960.25 is: 742,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,868.25 : 2,986,313.31 = 494,960.25 : x
  2. Step 2: Convert to fraction form
    1,990,868.25/2,986,313.31 = 494,960.25/x
  3. Step 3: Cross multiply
    1,990,868.25x = 2,986,313.31 × 494,960.25
  4. Step 4: Simplify right side
    1,990,868.25x = 1,478,106,382,495.93
  5. Step 5: Solve for x
    x = 1,478,106,382,495.93/1,990,868.25
  6. Step 6: Final answer
    x = 742,443.09

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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.