Home / 1,119,873.85-1,679,817.14-278,425.60

Finding the Fourth Proportional to 1,119,873.85, 1,679,817.14 and 278,425.60

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Solution

The fourth proportional to 1,119,873.85, 1,679,817.14 and 278,425.60 is: 417,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,873.85 : 1,679,817.14 = 278,425.60 : x
  2. Step 2: Convert to fraction form
    1,119,873.85/1,679,817.14 = 278,425.60/x
  3. Step 3: Cross multiply
    1,119,873.85x = 1,679,817.14 × 278,425.60
  4. Step 4: Simplify right side
    1,119,873.85x = 467,704,091,591.31
  5. Step 5: Solve for x
    x = 467,704,091,591.31/1,119,873.85
  6. Step 6: Final answer
    x = 417,639.98

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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.