Home / 1,119,846.11-1,679,775.30-278,397.86

Finding the Fourth Proportional to 1,119,846.11, 1,679,775.30 and 278,397.86

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Solution

The fourth proportional to 1,119,846.11, 1,679,775.30 and 278,397.86 is: 417,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,846.11 : 1,679,775.30 = 278,397.86 : x
  2. Step 2: Convert to fraction form
    1,119,846.11/1,679,775.30 = 278,397.86/x
  3. Step 3: Cross multiply
    1,119,846.11x = 1,679,775.30 × 278,397.86
  4. Step 4: Simplify right side
    1,119,846.11x = 467,645,840,401.98
  5. Step 5: Solve for x
    x = 467,645,840,401.98/1,119,846.11
  6. Step 6: Final answer
    x = 417,598.31

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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.