Home / 1,489,381.52-2,055,355.44-810,322.88

Finding the Fourth Proportional to 1,489,381.52, 2,055,355.44 and 810,322.88

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Solution

The fourth proportional to 1,489,381.52, 2,055,355.44 and 810,322.88 is: 1,118,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,381.52 : 2,055,355.44 = 810,322.88 : x
  2. Step 2: Convert to fraction form
    1,489,381.52/2,055,355.44 = 810,322.88/x
  3. Step 3: Cross multiply
    1,489,381.52x = 2,055,355.44 × 810,322.88
  4. Step 4: Simplify right side
    1,489,381.52x = 1,665,501,539,564.47
  5. Step 5: Solve for x
    x = 1,665,501,539,564.47/1,489,381.52
  6. Step 6: Final answer
    x = 1,118,250.44

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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.