Home / 1,110,003.10-1,665,004.65-830,067.10

Finding the Fourth Proportional to 1,110,003.10, 1,665,004.65 and 830,067.10

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Solution

The fourth proportional to 1,110,003.10, 1,665,004.65 and 830,067.10 is: 1,245,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,003.10 : 1,665,004.65 = 830,067.10 : x
  2. Step 2: Convert to fraction form
    1,110,003.10/1,665,004.65 = 830,067.10/x
  3. Step 3: Cross multiply
    1,110,003.10x = 1,665,004.65 × 830,067.10
  4. Step 4: Simplify right side
    1,110,003.10x = 1,382,065,581,312.01
  5. Step 5: Solve for x
    x = 1,382,065,581,312.01/1,110,003.10
  6. Step 6: Final answer
    x = 1,245,100.65

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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.