Home / 1,331,624.10-1,997,175.51-1,108,418.82

Finding the Fourth Proportional to 1,331,624.10, 1,997,175.51 and 1,108,418.82

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Solution

The fourth proportional to 1,331,624.10, 1,997,175.51 and 1,108,418.82 is: 1,662,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,624.10 : 1,997,175.51 = 1,108,418.82 : x
  2. Step 2: Convert to fraction form
    1,331,624.10/1,997,175.51 = 1,108,418.82/x
  3. Step 3: Cross multiply
    1,331,624.10x = 1,997,175.51 × 1,108,418.82
  4. Step 4: Simplify right side
    1,331,624.10x = 2,213,706,922,127.10
  5. Step 5: Solve for x
    x = 2,213,706,922,127.10/1,331,624.10
  6. Step 6: Final answer
    x = 1,662,411.28

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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.