Home / 889,747.80-1,334,621.70-880,416.60

Finding the Fourth Proportional to 889,747.80, 1,334,621.70 and 880,416.60

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Solution

The fourth proportional to 889,747.80, 1,334,621.70 and 880,416.60 is: 1,320,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,747.80 : 1,334,621.70 = 880,416.60 : x
  2. Step 2: Convert to fraction form
    889,747.80/1,334,621.70 = 880,416.60/x
  3. Step 3: Cross multiply
    889,747.80x = 1,334,621.70 × 880,416.60
  4. Step 4: Simplify right side
    889,747.80x = 1,175,023,099,400.22
  5. Step 5: Solve for x
    x = 1,175,023,099,400.22/889,747.80
  6. Step 6: Final answer
    x = 1,320,624.90

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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.