Home / 1,608,079.62-2,220,188.40-996,885.60

Finding the Fourth Proportional to 1,608,079.62, 2,220,188.40 and 996,885.60

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Solution

The fourth proportional to 1,608,079.62, 2,220,188.40 and 996,885.60 is: 1,376,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,079.62 : 2,220,188.40 = 996,885.60 : x
  2. Step 2: Convert to fraction form
    1,608,079.62/2,220,188.40 = 996,885.60/x
  3. Step 3: Cross multiply
    1,608,079.62x = 2,220,188.40 × 996,885.60
  4. Step 4: Simplify right side
    1,608,079.62x = 2,213,273,845,247.04
  5. Step 5: Solve for x
    x = 2,213,273,845,247.04/1,608,079.62
  6. Step 6: Final answer
    x = 1,376,345.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.