Home / 996,984.60-1,493,370.90-660,186.60

Finding the Fourth Proportional to 996,984.60, 1,493,370.90 and 660,186.60

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Solution

The fourth proportional to 996,984.60, 1,493,370.90 and 660,186.60 is: 988,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,984.60 : 1,493,370.90 = 660,186.60 : x
  2. Step 2: Convert to fraction form
    996,984.60/1,493,370.90 = 660,186.60/x
  3. Step 3: Cross multiply
    996,984.60x = 1,493,370.90 × 660,186.60
  4. Step 4: Simplify right side
    996,984.60x = 985,903,457,009.94
  5. Step 5: Solve for x
    x = 985,903,457,009.94/996,984.60
  6. Step 6: Final answer
    x = 988,885.34

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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.