Home / 1,088,015.60-1,631,440.20-456,215.60

Finding the Fourth Proportional to 1,088,015.60, 1,631,440.20 and 456,215.60

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Solution

The fourth proportional to 1,088,015.60, 1,631,440.20 and 456,215.60 is: 684,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,015.60 : 1,631,440.20 = 456,215.60 : x
  2. Step 2: Convert to fraction form
    1,088,015.60/1,631,440.20 = 456,215.60/x
  3. Step 3: Cross multiply
    1,088,015.60x = 1,631,440.20 × 456,215.60
  4. Step 4: Simplify right side
    1,088,015.60x = 744,288,469,707.12
  5. Step 5: Solve for x
    x = 744,288,469,707.12/1,088,015.60
  6. Step 6: Final answer
    x = 684,078.86

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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.