Home / 1,218,071.15-1,827,358.86-365,108.34

Finding the Fourth Proportional to 1,218,071.15, 1,827,358.86 and 365,108.34

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Solution

The fourth proportional to 1,218,071.15, 1,827,358.86 and 365,108.34 is: 547,738.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,071.15 : 1,827,358.86 = 365,108.34 : x
  2. Step 2: Convert to fraction form
    1,218,071.15/1,827,358.86 = 365,108.34/x
  3. Step 3: Cross multiply
    1,218,071.15x = 1,827,358.86 × 365,108.34
  4. Step 4: Simplify right side
    1,218,071.15x = 667,183,959,958.89
  5. Step 5: Solve for x
    x = 667,183,959,958.89/1,218,071.15
  6. Step 6: Final answer
    x = 547,738.09

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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.