Home / 1,990,862.57-2,986,304.52-494,954.57

Finding the Fourth Proportional to 1,990,862.57, 2,986,304.52 and 494,954.57

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Solution

The fourth proportional to 1,990,862.57, 2,986,304.52 and 494,954.57 is: 742,434.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,862.57 : 2,986,304.52 = 494,954.57 : x
  2. Step 2: Convert to fraction form
    1,990,862.57/2,986,304.52 = 494,954.57/x
  3. Step 3: Cross multiply
    1,990,862.57x = 2,986,304.52 × 494,954.57
  4. Step 4: Simplify right side
    1,990,862.57x = 1,478,085,078,907.50
  5. Step 5: Solve for x
    x = 1,478,085,078,907.50/1,990,862.57
  6. Step 6: Final answer
    x = 742,434.51

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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.