Home / 1,388,427-2,081,843.46-546,519.48

Finding the Fourth Proportional to 1,388,427, 2,081,843.46 and 546,519.48

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Solution

The fourth proportional to 1,388,427, 2,081,843.46 and 546,519.48 is: 819,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,427 : 2,081,843.46 = 546,519.48 : x
  2. Step 2: Convert to fraction form
    1,388,427/2,081,843.46 = 546,519.48/x
  3. Step 3: Cross multiply
    1,388,427x = 2,081,843.46 × 546,519.48
  4. Step 4: Simplify right side
    1,388,427x = 1,137,768,005,200.60
  5. Step 5: Solve for x
    x = 1,137,768,005,200.60/1,388,427
  6. Step 6: Final answer
    x = 819,465.49

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Double scale
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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.