Home / 1,212,711.45-1,819,072.58-314,089.35

Finding the Fourth Proportional to 1,212,711.45, 1,819,072.58 and 314,089.35

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Solution

The fourth proportional to 1,212,711.45, 1,819,072.58 and 314,089.35 is: 471,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,711.45 : 1,819,072.58 = 314,089.35 : x
  2. Step 2: Convert to fraction form
    1,212,711.45/1,819,072.58 = 314,089.35/x
  3. Step 3: Cross multiply
    1,212,711.45x = 1,819,072.58 × 314,089.35
  4. Step 4: Simplify right side
    1,212,711.45x = 571,351,322,684.58
  5. Step 5: Solve for x
    x = 571,351,322,684.58/1,212,711.45
  6. Step 6: Final answer
    x = 471,135.42

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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.