Home / 889,744.80-1,334,617.20-781,269.60

Finding the Fourth Proportional to 889,744.80, 1,334,617.20 and 781,269.60

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Solution

The fourth proportional to 889,744.80, 1,334,617.20 and 781,269.60 is: 1,171,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,744.80 : 1,334,617.20 = 781,269.60 : x
  2. Step 2: Convert to fraction form
    889,744.80/1,334,617.20 = 781,269.60/x
  3. Step 3: Cross multiply
    889,744.80x = 1,334,617.20 × 781,269.60
  4. Step 4: Simplify right side
    889,744.80x = 1,042,695,845,997.12
  5. Step 5: Solve for x
    x = 1,042,695,845,997.12/889,744.80
  6. Step 6: Final answer
    x = 1,171,904.40

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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.