Home / 1,345,862.60-2,016,072.30-838,867.40

Finding the Fourth Proportional to 1,345,862.60, 2,016,072.30 and 838,867.40

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Solution

The fourth proportional to 1,345,862.60, 2,016,072.30 and 838,867.40 is: 1,256,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,862.60 : 2,016,072.30 = 838,867.40 : x
  2. Step 2: Convert to fraction form
    1,345,862.60/2,016,072.30 = 838,867.40/x
  3. Step 3: Cross multiply
    1,345,862.60x = 2,016,072.30 × 838,867.40
  4. Step 4: Simplify right side
    1,345,862.60x = 1,691,217,328,513.02
  5. Step 5: Solve for x
    x = 1,691,217,328,513.02/1,345,862.60
  6. Step 6: Final answer
    x = 1,256,604.74

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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.