Home / 1,137,812.11-1,706,146.81-379,385.11

Finding the Fourth Proportional to 1,137,812.11, 1,706,146.81 and 379,385.11

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Solution

The fourth proportional to 1,137,812.11, 1,706,146.81 and 379,385.11 is: 568,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,812.11 : 1,706,146.81 = 379,385.11 : x
  2. Step 2: Convert to fraction form
    1,137,812.11/1,706,146.81 = 379,385.11/x
  3. Step 3: Cross multiply
    1,137,812.11x = 1,706,146.81 × 379,385.11
  4. Step 4: Simplify right side
    1,137,812.11x = 647,286,696,372.22
  5. Step 5: Solve for x
    x = 647,286,696,372.22/1,137,812.11
  6. Step 6: Final answer
    x = 568,887.16

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Double scale
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1.5x scale

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.