Home / 996,985.60-1,493,372.40-660,187.60

Finding the Fourth Proportional to 996,985.60, 1,493,372.40 and 660,187.60

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Solution

The fourth proportional to 996,985.60, 1,493,372.40 and 660,187.60 is: 988,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,985.60 : 1,493,372.40 = 660,187.60 : x
  2. Step 2: Convert to fraction form
    996,985.60/1,493,372.40 = 660,187.60/x
  3. Step 3: Cross multiply
    996,985.60x = 1,493,372.40 × 660,187.60
  4. Step 4: Simplify right side
    996,985.60x = 985,905,940,662.24
  5. Step 5: Solve for x
    x = 985,905,940,662.24/996,985.60
  6. Step 6: Final answer
    x = 988,886.84

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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.