Home / 1,262,790.78-1,894,184.52-316,161.39

Finding the Fourth Proportional to 1,262,790.78, 1,894,184.52 and 316,161.39

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Solution

The fourth proportional to 1,262,790.78, 1,894,184.52 and 316,161.39 is: 474,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,790.78 : 1,894,184.52 = 316,161.39 : x
  2. Step 2: Convert to fraction form
    1,262,790.78/1,894,184.52 = 316,161.39/x
  3. Step 3: Cross multiply
    1,262,790.78x = 1,894,184.52 × 316,161.39
  4. Step 4: Simplify right side
    1,262,790.78x = 598,868,010,759.68
  5. Step 5: Solve for x
    x = 598,868,010,759.68/1,262,790.78
  6. Step 6: Final answer
    x = 474,241.67

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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.