Home / 1,476,142.20-2,212,820.10-801,228.60

Finding the Fourth Proportional to 1,476,142.20, 2,212,820.10 and 801,228.60

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Solution

The fourth proportional to 1,476,142.20, 2,212,820.10 and 801,228.60 is: 1,201,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,142.20 : 2,212,820.10 = 801,228.60 : x
  2. Step 2: Convert to fraction form
    1,476,142.20/2,212,820.10 = 801,228.60/x
  3. Step 3: Cross multiply
    1,476,142.20x = 2,212,820.10 × 801,228.60
  4. Step 4: Simplify right side
    1,476,142.20x = 1,772,974,750,774.86
  5. Step 5: Solve for x
    x = 1,772,974,750,774.86/1,476,142.20
  6. Step 6: Final answer
    x = 1,201,086.69

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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.