Home / 1,119,964.38-1,679,953.32-278,516.22

Finding the Fourth Proportional to 1,119,964.38, 1,679,953.32 and 278,516.22

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Solution

The fourth proportional to 1,119,964.38, 1,679,953.32 and 278,516.22 is: 417,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,964.38 : 1,679,953.32 = 278,516.22 : x
  2. Step 2: Convert to fraction form
    1,119,964.38/1,679,953.32 = 278,516.22/x
  3. Step 3: Cross multiply
    1,119,964.38x = 1,679,953.32 × 278,516.22
  4. Step 4: Simplify right side
    1,119,964.38x = 467,894,248,462.85
  5. Step 5: Solve for x
    x = 467,894,248,462.85/1,119,964.38
  6. Step 6: Final answer
    x = 417,776.01

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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.