Home / 1,209,915.62-1,814,735.18-323,520.74

Finding the Fourth Proportional to 1,209,915.62, 1,814,735.18 and 323,520.74

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Solution

The fourth proportional to 1,209,915.62, 1,814,735.18 and 323,520.74 is: 485,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,915.62 : 1,814,735.18 = 323,520.74 : x
  2. Step 2: Convert to fraction form
    1,209,915.62/1,814,735.18 = 323,520.74/x
  3. Step 3: Cross multiply
    1,209,915.62x = 1,814,735.18 × 323,520.74
  4. Step 4: Simplify right side
    1,209,915.62x = 587,104,468,337.63
  5. Step 5: Solve for x
    x = 587,104,468,337.63/1,209,915.62
  6. Step 6: Final answer
    x = 485,244.14

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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.