Home / 1,117,637.54-1,676,439.92-276,189.30

Finding the Fourth Proportional to 1,117,637.54, 1,676,439.92 and 276,189.30

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Solution

The fourth proportional to 1,117,637.54, 1,676,439.92 and 276,189.30 is: 414,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,637.54 : 1,676,439.92 = 276,189.30 : x
  2. Step 2: Convert to fraction form
    1,117,637.54/1,676,439.92 = 276,189.30/x
  3. Step 3: Cross multiply
    1,117,637.54x = 1,676,439.92 × 276,189.30
  4. Step 4: Simplify right side
    1,117,637.54x = 463,014,767,996.86
  5. Step 5: Solve for x
    x = 463,014,767,996.86/1,117,637.54
  6. Step 6: Final answer
    x = 414,279.90

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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.