Home / 1,211,464.65-1,671,742.15-667,600.32

Finding the Fourth Proportional to 1,211,464.65, 1,671,742.15 and 667,600.32

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Solution

The fourth proportional to 1,211,464.65, 1,671,742.15 and 667,600.32 is: 921,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,464.65 : 1,671,742.15 = 667,600.32 : x
  2. Step 2: Convert to fraction form
    1,211,464.65/1,671,742.15 = 667,600.32/x
  3. Step 3: Cross multiply
    1,211,464.65x = 1,671,742.15 × 667,600.32
  4. Step 4: Simplify right side
    1,211,464.65x = 1,116,055,591,837.18
  5. Step 5: Solve for x
    x = 1,116,055,591,837.18/1,211,464.65
  6. Step 6: Final answer
    x = 921,244.87

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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.