Home / 997,455.60-1,494,077.40-660,657.60

Finding the Fourth Proportional to 997,455.60, 1,494,077.40 and 660,657.60

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Solution

The fourth proportional to 997,455.60, 1,494,077.40 and 660,657.60 is: 989,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,455.60 : 1,494,077.40 = 660,657.60 : x
  2. Step 2: Convert to fraction form
    997,455.60/1,494,077.40 = 660,657.60/x
  3. Step 3: Cross multiply
    997,455.60x = 1,494,077.40 × 660,657.60
  4. Step 4: Simplify right side
    997,455.60x = 987,073,589,298.24
  5. Step 5: Solve for x
    x = 987,073,589,298.24/997,455.60
  6. Step 6: Final answer
    x = 989,591.51

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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.