Home / 1,137,811.64-1,706,146.10-379,384.64

Finding the Fourth Proportional to 1,137,811.64, 1,706,146.10 and 379,384.64

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Solution

The fourth proportional to 1,137,811.64, 1,706,146.10 and 379,384.64 is: 568,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,811.64 : 1,706,146.10 = 379,384.64 : x
  2. Step 2: Convert to fraction form
    1,137,811.64/1,706,146.10 = 379,384.64/x
  3. Step 3: Cross multiply
    1,137,811.64x = 1,706,146.10 × 379,384.64
  4. Step 4: Simplify right side
    1,137,811.64x = 647,285,629,149.73
  5. Step 5: Solve for x
    x = 647,285,629,149.73/1,137,811.64
  6. Step 6: Final answer
    x = 568,886.45

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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.