Home / 1,321,039.53-1,981,261.22-610,679.25

Finding the Fourth Proportional to 1,321,039.53, 1,981,261.22 and 610,679.25

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Solution

The fourth proportional to 1,321,039.53, 1,981,261.22 and 610,679.25 is: 915,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,039.53 : 1,981,261.22 = 610,679.25 : x
  2. Step 2: Convert to fraction form
    1,321,039.53/1,981,261.22 = 610,679.25/x
  3. Step 3: Cross multiply
    1,321,039.53x = 1,981,261.22 × 610,679.25
  4. Step 4: Simplify right side
    1,321,039.53x = 1,209,915,112,830.29
  5. Step 5: Solve for x
    x = 1,209,915,112,830.29/1,321,039.53
  6. Step 6: Final answer
    x = 915,881.08

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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.