Home / 1,358,471-1,873,941.13-1,103,379.32

Finding the Fourth Proportional to 1,358,471, 1,873,941.13 and 1,103,379.32

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Solution

The fourth proportional to 1,358,471, 1,873,941.13 and 1,103,379.32 is: 1,522,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,471 : 1,873,941.13 = 1,103,379.32 : x
  2. Step 2: Convert to fraction form
    1,358,471/1,873,941.13 = 1,103,379.32/x
  3. Step 3: Cross multiply
    1,358,471x = 1,873,941.13 × 1,103,379.32
  4. Step 4: Simplify right side
    1,358,471x = 2,067,667,889,739.43
  5. Step 5: Solve for x
    x = 2,067,667,889,739.43/1,358,471
  6. Step 6: Final answer
    x = 1,522,055.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.