Home / 1,230,840.88-1,697,221.38-800,322.64

Finding the Fourth Proportional to 1,230,840.88, 1,697,221.38 and 800,322.64

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Solution

The fourth proportional to 1,230,840.88, 1,697,221.38 and 800,322.64 is: 1,103,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,840.88 : 1,697,221.38 = 800,322.64 : x
  2. Step 2: Convert to fraction form
    1,230,840.88/1,697,221.38 = 800,322.64/x
  3. Step 3: Cross multiply
    1,230,840.88x = 1,697,221.38 × 800,322.64
  4. Step 4: Simplify right side
    1,230,840.88x = 1,358,324,694,264.20
  5. Step 5: Solve for x
    x = 1,358,324,694,264.20/1,230,840.88
  6. Step 6: Final answer
    x = 1,103,574.57

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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.