Home / 1,119,884.82-1,679,826.76-278,436.56

Finding the Fourth Proportional to 1,119,884.82, 1,679,826.76 and 278,436.56

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Solution

The fourth proportional to 1,119,884.82, 1,679,826.76 and 278,436.56 is: 417,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,884.82 : 1,679,826.76 = 278,436.56 : x
  2. Step 2: Convert to fraction form
    1,119,884.82/1,679,826.76 = 278,436.56/x
  3. Step 3: Cross multiply
    1,119,884.82x = 1,679,826.76 × 278,436.56
  4. Step 4: Simplify right side
    1,119,884.82x = 467,725,184,450.35
  5. Step 5: Solve for x
    x = 467,725,184,450.35/1,119,884.82
  6. Step 6: Final answer
    x = 417,654.72

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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.