Home / 1,942,857.40-2,914,286.10-760,905.40

Finding the Fourth Proportional to 1,942,857.40, 2,914,286.10 and 760,905.40

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Solution

The fourth proportional to 1,942,857.40, 2,914,286.10 and 760,905.40 is: 1,141,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,857.40 : 2,914,286.10 = 760,905.40 : x
  2. Step 2: Convert to fraction form
    1,942,857.40/2,914,286.10 = 760,905.40/x
  3. Step 3: Cross multiply
    1,942,857.40x = 2,914,286.10 × 760,905.40
  4. Step 4: Simplify right side
    1,942,857.40x = 2,217,496,030,634.94
  5. Step 5: Solve for x
    x = 2,217,496,030,634.94/1,942,857.40
  6. Step 6: Final answer
    x = 1,141,358.10

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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.