Home / 996,971.60-1,493,351.40-660,173.60

Finding the Fourth Proportional to 996,971.60, 1,493,351.40 and 660,173.60

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Solution

The fourth proportional to 996,971.60, 1,493,351.40 and 660,173.60 is: 988,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,971.60 : 1,493,351.40 = 660,173.60 : x
  2. Step 2: Convert to fraction form
    996,971.60/1,493,351.40 = 660,173.60/x
  3. Step 3: Cross multiply
    996,971.60x = 1,493,351.40 × 660,173.60
  4. Step 4: Simplify right side
    996,971.60x = 985,871,169,803.04
  5. Step 5: Solve for x
    x = 985,871,169,803.04/996,971.60
  6. Step 6: Final answer
    x = 988,865.85

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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.