Home / 1,990,746.88-2,986,131.25-494,838.88

Finding the Fourth Proportional to 1,990,746.88, 2,986,131.25 and 494,838.88

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Solution

The fourth proportional to 1,990,746.88, 2,986,131.25 and 494,838.88 is: 742,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,746.88 : 2,986,131.25 = 494,838.88 : x
  2. Step 2: Convert to fraction form
    1,990,746.88/2,986,131.25 = 494,838.88/x
  3. Step 3: Cross multiply
    1,990,746.88x = 2,986,131.25 × 494,838.88
  4. Step 4: Simplify right side
    1,990,746.88x = 1,477,653,843,283
  5. Step 5: Solve for x
    x = 1,477,653,843,283/1,990,746.88
  6. Step 6: Final answer
    x = 742,261.04

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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.