Home / 1,360,936.40-2,042,182.20-520,091.60

Finding the Fourth Proportional to 1,360,936.40, 2,042,182.20 and 520,091.60

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Solution

The fourth proportional to 1,360,936.40, 2,042,182.20 and 520,091.60 is: 780,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,936.40 : 2,042,182.20 = 520,091.60 : x
  2. Step 2: Convert to fraction form
    1,360,936.40/2,042,182.20 = 520,091.60/x
  3. Step 3: Cross multiply
    1,360,936.40x = 2,042,182.20 × 520,091.60
  4. Step 4: Simplify right side
    1,360,936.40x = 1,062,121,807,889.52
  5. Step 5: Solve for x
    x = 1,062,121,807,889.52/1,360,936.40
  6. Step 6: Final answer
    x = 780,434.57

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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.