Home / 1,768,684.32-2,440,091.52-1,088,439.84

Finding the Fourth Proportional to 1,768,684.32, 2,440,091.52 and 1,088,439.84

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Solution

The fourth proportional to 1,768,684.32, 2,440,091.52 and 1,088,439.84 is: 1,501,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,684.32 : 2,440,091.52 = 1,088,439.84 : x
  2. Step 2: Convert to fraction form
    1,768,684.32/2,440,091.52 = 1,088,439.84/x
  3. Step 3: Cross multiply
    1,768,684.32x = 2,440,091.52 × 1,088,439.84
  4. Step 4: Simplify right side
    1,768,684.32x = 2,655,892,823,614.16
  5. Step 5: Solve for x
    x = 2,655,892,823,614.16/1,768,684.32
  6. Step 6: Final answer
    x = 1,501,620.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.