Home / 1,115,845.17-1,519,265.78-1,112,302.23

Finding the Fourth Proportional to 1,115,845.17, 1,519,265.78 and 1,112,302.23

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Solution

The fourth proportional to 1,115,845.17, 1,519,265.78 and 1,112,302.23 is: 1,514,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,845.17 : 1,519,265.78 = 1,112,302.23 : x
  2. Step 2: Convert to fraction form
    1,115,845.17/1,519,265.78 = 1,112,302.23/x
  3. Step 3: Cross multiply
    1,115,845.17x = 1,519,265.78 × 1,112,302.23
  4. Step 4: Simplify right side
    1,115,845.17x = 1,689,882,709,495.18
  5. Step 5: Solve for x
    x = 1,689,882,709,495.18/1,115,845.17
  6. Step 6: Final answer
    x = 1,514,441.93

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.