Home / 1,505,428.80-2,077,600.80-995,246.40

Finding the Fourth Proportional to 1,505,428.80, 2,077,600.80 and 995,246.40

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Solution

The fourth proportional to 1,505,428.80, 2,077,600.80 and 995,246.40 is: 1,373,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,428.80 : 2,077,600.80 = 995,246.40 : x
  2. Step 2: Convert to fraction form
    1,505,428.80/2,077,600.80 = 995,246.40/x
  3. Step 3: Cross multiply
    1,505,428.80x = 2,077,600.80 × 995,246.40
  4. Step 4: Simplify right side
    1,505,428.80x = 2,067,724,716,837.12
  5. Step 5: Solve for x
    x = 2,067,724,716,837.12/1,505,428.80
  6. Step 6: Final answer
    x = 1,373,512.13

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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.