Home / 1,628,987.60-2,443,481.40-447,035.60

Finding the Fourth Proportional to 1,628,987.60, 2,443,481.40 and 447,035.60

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Solution

The fourth proportional to 1,628,987.60, 2,443,481.40 and 447,035.60 is: 670,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,987.60 : 2,443,481.40 = 447,035.60 : x
  2. Step 2: Convert to fraction form
    1,628,987.60/2,443,481.40 = 447,035.60/x
  3. Step 3: Cross multiply
    1,628,987.60x = 2,443,481.40 × 447,035.60
  4. Step 4: Simplify right side
    1,628,987.60x = 1,092,323,173,737.84
  5. Step 5: Solve for x
    x = 1,092,323,173,737.84/1,628,987.60
  6. Step 6: Final answer
    x = 670,553.40

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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.