Home / 1,281,729.40-1,922,427.24-335,173.12

Finding the Fourth Proportional to 1,281,729.40, 1,922,427.24 and 335,173.12

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Solution

The fourth proportional to 1,281,729.40, 1,922,427.24 and 335,173.12 is: 502,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,729.40 : 1,922,427.24 = 335,173.12 : x
  2. Step 2: Convert to fraction form
    1,281,729.40/1,922,427.24 = 335,173.12/x
  3. Step 3: Cross multiply
    1,281,729.40x = 1,922,427.24 × 335,173.12
  4. Step 4: Simplify right side
    1,281,729.40x = 644,345,936,003.79
  5. Step 5: Solve for x
    x = 644,345,936,003.79/1,281,729.40
  6. Step 6: Final answer
    x = 502,716.05

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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.