Home / 846,839.62-1,269,991.80-278,127

Finding the Fourth Proportional to 846,839.62, 1,269,991.80 and 278,127

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Solution

The fourth proportional to 846,839.62, 1,269,991.80 and 278,127 is: 417,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,839.62 : 1,269,991.80 = 278,127 : x
  2. Step 2: Convert to fraction form
    846,839.62/1,269,991.80 = 278,127/x
  3. Step 3: Cross multiply
    846,839.62x = 1,269,991.80 × 278,127
  4. Step 4: Simplify right side
    846,839.62x = 353,219,009,358.60
  5. Step 5: Solve for x
    x = 353,219,009,358.60/846,839.62
  6. Step 6: Final answer
    x = 417,102.60

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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.