Home / 1,110,015.10-1,665,022.65-830,079.10

Finding the Fourth Proportional to 1,110,015.10, 1,665,022.65 and 830,079.10

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Solution

The fourth proportional to 1,110,015.10, 1,665,022.65 and 830,079.10 is: 1,245,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,015.10 : 1,665,022.65 = 830,079.10 : x
  2. Step 2: Convert to fraction form
    1,110,015.10/1,665,022.65 = 830,079.10/x
  3. Step 3: Cross multiply
    1,110,015.10x = 1,665,022.65 × 830,079.10
  4. Step 4: Simplify right side
    1,110,015.10x = 1,382,100,502,791.62
  5. Step 5: Solve for x
    x = 1,382,100,502,791.62/1,110,015.10
  6. Step 6: Final answer
    x = 1,245,118.65

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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.