Home / 1,119,923.70-1,679,892.03-278,475.45

Finding the Fourth Proportional to 1,119,923.70, 1,679,892.03 and 278,475.45

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Solution

The fourth proportional to 1,119,923.70, 1,679,892.03 and 278,475.45 is: 417,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,923.70 : 1,679,892.03 = 278,475.45 : x
  2. Step 2: Convert to fraction form
    1,119,923.70/1,679,892.03 = 278,475.45/x
  3. Step 3: Cross multiply
    1,119,923.70x = 1,679,892.03 × 278,475.45
  4. Step 4: Simplify right side
    1,119,923.70x = 467,808,689,005.66
  5. Step 5: Solve for x
    x = 467,808,689,005.66/1,119,923.70
  6. Step 6: Final answer
    x = 417,714.79

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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.