Home / 1,086,056.60-1,629,084.90-660,903.80

Finding the Fourth Proportional to 1,086,056.60, 1,629,084.90 and 660,903.80

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Solution

The fourth proportional to 1,086,056.60, 1,629,084.90 and 660,903.80 is: 991,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,056.60 : 1,629,084.90 = 660,903.80 : x
  2. Step 2: Convert to fraction form
    1,086,056.60/1,629,084.90 = 660,903.80/x
  3. Step 3: Cross multiply
    1,086,056.60x = 1,629,084.90 × 660,903.80
  4. Step 4: Simplify right side
    1,086,056.60x = 1,076,668,400,932.62
  5. Step 5: Solve for x
    x = 1,076,668,400,932.62/1,086,056.60
  6. Step 6: Final answer
    x = 991,355.70

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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.