Home / 1,115,544-1,679,385.72-1,016,341.68

Finding the Fourth Proportional to 1,115,544, 1,679,385.72 and 1,016,341.68

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Solution

The fourth proportional to 1,115,544, 1,679,385.72 and 1,016,341.68 is: 1,530,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,544 : 1,679,385.72 = 1,016,341.68 : x
  2. Step 2: Convert to fraction form
    1,115,544/1,679,385.72 = 1,016,341.68/x
  3. Step 3: Cross multiply
    1,115,544x = 1,679,385.72 × 1,016,341.68
  4. Step 4: Simplify right side
    1,115,544x = 1,706,829,704,032.81
  5. Step 5: Solve for x
    x = 1,706,829,704,032.81/1,115,544
  6. Step 6: Final answer
    x = 1,530,042.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.