Home / 884,702.20-1,325,303.70-821,716.60

Finding the Fourth Proportional to 884,702.20, 1,325,303.70 and 821,716.60

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Solution

The fourth proportional to 884,702.20, 1,325,303.70 and 821,716.60 is: 1,230,949.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,702.20 : 1,325,303.70 = 821,716.60 : x
  2. Step 2: Convert to fraction form
    884,702.20/1,325,303.70 = 821,716.60/x
  3. Step 3: Cross multiply
    884,702.20x = 1,325,303.70 × 821,716.60
  4. Step 4: Simplify right side
    884,702.20x = 1,089,024,050,331.42
  5. Step 5: Solve for x
    x = 1,089,024,050,331.42/884,702.20
  6. Step 6: Final answer
    x = 1,230,949.86

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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.