Home / 1,305,688.32-1,956,957.12-674,256.96

Finding the Fourth Proportional to 1,305,688.32, 1,956,957.12 and 674,256.96

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Solution

The fourth proportional to 1,305,688.32, 1,956,957.12 and 674,256.96 is: 1,010,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,688.32 : 1,956,957.12 = 674,256.96 : x
  2. Step 2: Convert to fraction form
    1,305,688.32/1,956,957.12 = 674,256.96/x
  3. Step 3: Cross multiply
    1,305,688.32x = 1,956,957.12 × 674,256.96
  4. Step 4: Simplify right side
    1,305,688.32x = 1,319,491,958,581.56
  5. Step 5: Solve for x
    x = 1,319,491,958,581.56/1,305,688.32
  6. Step 6: Final answer
    x = 1,010,571.92

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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.