Home / 1,311,114.52-1,966,484.94-412,532.92

Finding the Fourth Proportional to 1,311,114.52, 1,966,484.94 and 412,532.92

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Solution

The fourth proportional to 1,311,114.52, 1,966,484.94 and 412,532.92 is: 618,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,114.52 : 1,966,484.94 = 412,532.92 : x
  2. Step 2: Convert to fraction form
    1,311,114.52/1,966,484.94 = 412,532.92/x
  3. Step 3: Cross multiply
    1,311,114.52x = 1,966,484.94 × 412,532.92
  4. Step 4: Simplify right side
    1,311,114.52x = 811,239,766,604.35
  5. Step 5: Solve for x
    x = 811,239,766,604.35/1,311,114.52
  6. Step 6: Final answer
    x = 618,740.59

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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.