Home / 1,451,715.45-2,003,479.50-870,960.43

Finding the Fourth Proportional to 1,451,715.45, 2,003,479.50 and 870,960.43

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Solution

The fourth proportional to 1,451,715.45, 2,003,479.50 and 870,960.43 is: 1,201,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,715.45 : 2,003,479.50 = 870,960.43 : x
  2. Step 2: Convert to fraction form
    1,451,715.45/2,003,479.50 = 870,960.43/x
  3. Step 3: Cross multiply
    1,451,715.45x = 2,003,479.50 × 870,960.43
  4. Step 4: Simplify right side
    1,451,715.45x = 1,744,951,366,816.19
  5. Step 5: Solve for x
    x = 1,744,951,366,816.19/1,451,715.45
  6. Step 6: Final answer
    x = 1,201,992.70

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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.