Home / 1,451,631.65-2,003,363.75-870,876.56

Finding the Fourth Proportional to 1,451,631.65, 2,003,363.75 and 870,876.56

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Solution

The fourth proportional to 1,451,631.65, 2,003,363.75 and 870,876.56 is: 1,201,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,631.65 : 2,003,363.75 = 870,876.56 : x
  2. Step 2: Convert to fraction form
    1,451,631.65/2,003,363.75 = 870,876.56/x
  3. Step 3: Cross multiply
    1,451,631.65x = 2,003,363.75 × 870,876.56
  4. Step 4: Simplify right side
    1,451,631.65x = 1,744,682,538,214.30
  5. Step 5: Solve for x
    x = 1,744,682,538,214.30/1,451,631.65
  6. Step 6: Final answer
    x = 1,201,876.90

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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.