Home / 996,420.40-1,494,630.60-677,555.80

Finding the Fourth Proportional to 996,420.40, 1,494,630.60 and 677,555.80

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Solution

The fourth proportional to 996,420.40, 1,494,630.60 and 677,555.80 is: 1,016,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,420.40 : 1,494,630.60 = 677,555.80 : x
  2. Step 2: Convert to fraction form
    996,420.40/1,494,630.60 = 677,555.80/x
  3. Step 3: Cross multiply
    996,420.40x = 1,494,630.60 × 677,555.80
  4. Step 4: Simplify right side
    996,420.40x = 1,012,695,631,887.48
  5. Step 5: Solve for x
    x = 1,012,695,631,887.48/996,420.40
  6. Step 6: Final answer
    x = 1,016,333.70

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1.5x scale

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.