Home / 1,442,191.77-2,162,656.53-684,249.32

Finding the Fourth Proportional to 1,442,191.77, 2,162,656.53 and 684,249.32

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Solution

The fourth proportional to 1,442,191.77, 2,162,656.53 and 684,249.32 is: 1,026,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,191.77 : 2,162,656.53 = 684,249.32 : x
  2. Step 2: Convert to fraction form
    1,442,191.77/2,162,656.53 = 684,249.32/x
  3. Step 3: Cross multiply
    1,442,191.77x = 2,162,656.53 × 684,249.32
  4. Step 4: Simplify right side
    1,442,191.77x = 1,479,796,265,452.70
  5. Step 5: Solve for x
    x = 1,479,796,265,452.70/1,442,191.77
  6. Step 6: Final answer
    x = 1,026,074.55

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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.