Home / 1,209,631.86-1,814,718.33-368,249.22

Finding the Fourth Proportional to 1,209,631.86, 1,814,718.33 and 368,249.22

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Solution

The fourth proportional to 1,209,631.86, 1,814,718.33 and 368,249.22 is: 552,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,631.86 : 1,814,718.33 = 368,249.22 : x
  2. Step 2: Convert to fraction form
    1,209,631.86/1,814,718.33 = 368,249.22/x
  3. Step 3: Cross multiply
    1,209,631.86x = 1,814,718.33 × 368,249.22
  4. Step 4: Simplify right side
    1,209,631.86x = 668,268,609,542.20
  5. Step 5: Solve for x
    x = 668,268,609,542.20/1,209,631.86
  6. Step 6: Final answer
    x = 552,456.19

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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.