Home / 1,489,274.71-2,055,208.04-810,216.07

Finding the Fourth Proportional to 1,489,274.71, 2,055,208.04 and 810,216.07

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Solution

The fourth proportional to 1,489,274.71, 2,055,208.04 and 810,216.07 is: 1,118,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,274.71 : 2,055,208.04 = 810,216.07 : x
  2. Step 2: Convert to fraction form
    1,489,274.71/2,055,208.04 = 810,216.07/x
  3. Step 3: Cross multiply
    1,489,274.71x = 2,055,208.04 × 810,216.07
  4. Step 4: Simplify right side
    1,489,274.71x = 1,665,162,575,050.41
  5. Step 5: Solve for x
    x = 1,665,162,575,050.41/1,489,274.71
  6. Step 6: Final answer
    x = 1,118,103.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.