Home / 1,211,568.04-1,671,975.32-667,723.44

Finding the Fourth Proportional to 1,211,568.04, 1,671,975.32 and 667,723.44

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Solution

The fourth proportional to 1,211,568.04, 1,671,975.32 and 667,723.44 is: 921,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,568.04 : 1,671,975.32 = 667,723.44 : x
  2. Step 2: Convert to fraction form
    1,211,568.04/1,671,975.32 = 667,723.44/x
  3. Step 3: Cross multiply
    1,211,568.04x = 1,671,975.32 × 667,723.44
  4. Step 4: Simplify right side
    1,211,568.04x = 1,116,417,112,265.50
  5. Step 5: Solve for x
    x = 1,116,417,112,265.50/1,211,568.04
  6. Step 6: Final answer
    x = 921,464.64

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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.