Home / 1,214,872-1,822,416.96-316,321.52

Finding the Fourth Proportional to 1,214,872, 1,822,416.96 and 316,321.52

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Solution

The fourth proportional to 1,214,872, 1,822,416.96 and 316,321.52 is: 474,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,872 : 1,822,416.96 = 316,321.52 : x
  2. Step 2: Convert to fraction form
    1,214,872/1,822,416.96 = 316,321.52/x
  3. Step 3: Cross multiply
    1,214,872x = 1,822,416.96 × 316,321.52
  4. Step 4: Simplify right side
    1,214,872x = 576,469,702,860.98
  5. Step 5: Solve for x
    x = 576,469,702,860.98/1,214,872
  6. Step 6: Final answer
    x = 474,510.65

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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.