Home / 1,990,863.07-2,986,305.28-494,955.07

Finding the Fourth Proportional to 1,990,863.07, 2,986,305.28 and 494,955.07

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Solution

The fourth proportional to 1,990,863.07, 2,986,305.28 and 494,955.07 is: 742,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,863.07 : 2,986,305.28 = 494,955.07 : x
  2. Step 2: Convert to fraction form
    1,990,863.07/2,986,305.28 = 494,955.07/x
  3. Step 3: Cross multiply
    1,990,863.07x = 2,986,305.28 × 494,955.07
  4. Step 4: Simplify right side
    1,990,863.07x = 1,478,086,943,894.76
  5. Step 5: Solve for x
    x = 1,478,086,943,894.76/1,990,863.07
  6. Step 6: Final answer
    x = 742,435.26

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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.