Home / 1,406,349.76-2,109,648.96-395,480.32

Finding the Fourth Proportional to 1,406,349.76, 2,109,648.96 and 395,480.32

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Solution

The fourth proportional to 1,406,349.76, 2,109,648.96 and 395,480.32 is: 593,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,349.76 : 2,109,648.96 = 395,480.32 : x
  2. Step 2: Convert to fraction form
    1,406,349.76/2,109,648.96 = 395,480.32/x
  3. Step 3: Cross multiply
    1,406,349.76x = 2,109,648.96 × 395,480.32
  4. Step 4: Simplify right side
    1,406,349.76x = 834,324,645,788.47
  5. Step 5: Solve for x
    x = 834,324,645,788.47/1,406,349.76
  6. Step 6: Final answer
    x = 593,255.44

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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.