Home / 1,212,803.28-1,819,473.84-359,942.94

Finding the Fourth Proportional to 1,212,803.28, 1,819,473.84 and 359,942.94

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Solution

The fourth proportional to 1,212,803.28, 1,819,473.84 and 359,942.94 is: 539,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,803.28 : 1,819,473.84 = 359,942.94 : x
  2. Step 2: Convert to fraction form
    1,212,803.28/1,819,473.84 = 359,942.94/x
  3. Step 3: Cross multiply
    1,212,803.28x = 1,819,473.84 × 359,942.94
  4. Step 4: Simplify right side
    1,212,803.28x = 654,906,763,222.69
  5. Step 5: Solve for x
    x = 654,906,763,222.69/1,212,803.28
  6. Step 6: Final answer
    x = 539,994.22

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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.