Home / 792,003.60-1,188,005.40-456,080.40

Finding the Fourth Proportional to 792,003.60, 1,188,005.40 and 456,080.40

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Solution

The fourth proportional to 792,003.60, 1,188,005.40 and 456,080.40 is: 684,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,003.60 : 1,188,005.40 = 456,080.40 : x
  2. Step 2: Convert to fraction form
    792,003.60/1,188,005.40 = 456,080.40/x
  3. Step 3: Cross multiply
    792,003.60x = 1,188,005.40 × 456,080.40
  4. Step 4: Simplify right side
    792,003.60x = 541,825,978,034.16
  5. Step 5: Solve for x
    x = 541,825,978,034.16/792,003.60
  6. Step 6: Final answer
    x = 684,120.60

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1.5x scale

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.