Home / 889,987.60-1,334,981.40-852,662.80

Finding the Fourth Proportional to 889,987.60, 1,334,981.40 and 852,662.80

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Solution

The fourth proportional to 889,987.60, 1,334,981.40 and 852,662.80 is: 1,278,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,987.60 : 1,334,981.40 = 852,662.80 : x
  2. Step 2: Convert to fraction form
    889,987.60/1,334,981.40 = 852,662.80/x
  3. Step 3: Cross multiply
    889,987.60x = 1,334,981.40 × 852,662.80
  4. Step 4: Simplify right side
    889,987.60x = 1,138,288,978,471.92
  5. Step 5: Solve for x
    x = 1,138,288,978,471.92/889,987.60
  6. Step 6: Final answer
    x = 1,278,994.20

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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.