Home / 1,213,149.20-1,819,957.08-465,136.88

Finding the Fourth Proportional to 1,213,149.20, 1,819,957.08 and 465,136.88

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Solution

The fourth proportional to 1,213,149.20, 1,819,957.08 and 465,136.88 is: 697,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,149.20 : 1,819,957.08 = 465,136.88 : x
  2. Step 2: Convert to fraction form
    1,213,149.20/1,819,957.08 = 465,136.88/x
  3. Step 3: Cross multiply
    1,213,149.20x = 1,819,957.08 × 465,136.88
  4. Step 4: Simplify right side
    1,213,149.20x = 846,529,157,925.11
  5. Step 5: Solve for x
    x = 846,529,157,925.11/1,213,149.20
  6. Step 6: Final answer
    x = 697,794.76

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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.