Home / 1,324,934.64-1,828,410-721,322.64

Finding the Fourth Proportional to 1,324,934.64, 1,828,410 and 721,322.64

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Solution

The fourth proportional to 1,324,934.64, 1,828,410 and 721,322.64 is: 995,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,934.64 : 1,828,410 = 721,322.64 : x
  2. Step 2: Convert to fraction form
    1,324,934.64/1,828,410 = 721,322.64/x
  3. Step 3: Cross multiply
    1,324,934.64x = 1,828,410 × 721,322.64
  4. Step 4: Simplify right side
    1,324,934.64x = 1,318,873,528,202.40
  5. Step 5: Solve for x
    x = 1,318,873,528,202.40/1,324,934.64
  6. Step 6: Final answer
    x = 995,425.35

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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.