Home / 1,142,156.40-1,713,322.08-300,696

Finding the Fourth Proportional to 1,142,156.40, 1,713,322.08 and 300,696

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Solution

The fourth proportional to 1,142,156.40, 1,713,322.08 and 300,696 is: 451,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,156.40 : 1,713,322.08 = 300,696 : x
  2. Step 2: Convert to fraction form
    1,142,156.40/1,713,322.08 = 300,696/x
  3. Step 3: Cross multiply
    1,142,156.40x = 1,713,322.08 × 300,696
  4. Step 4: Simplify right side
    1,142,156.40x = 515,189,096,167.68
  5. Step 5: Solve for x
    x = 515,189,096,167.68/1,142,156.40
  6. Step 6: Final answer
    x = 451,067.03

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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.