Home / 1,818,654.72-2,727,688.20-859,108.32

Finding the Fourth Proportional to 1,818,654.72, 2,727,688.20 and 859,108.32

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Solution

The fourth proportional to 1,818,654.72, 2,727,688.20 and 859,108.32 is: 1,288,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,654.72 : 2,727,688.20 = 859,108.32 : x
  2. Step 2: Convert to fraction form
    1,818,654.72/2,727,688.20 = 859,108.32/x
  3. Step 3: Cross multiply
    1,818,654.72x = 2,727,688.20 × 859,108.32
  4. Step 4: Simplify right side
    1,818,654.72x = 2,343,379,626,985.82
  5. Step 5: Solve for x
    x = 2,343,379,626,985.82/1,818,654.72
  6. Step 6: Final answer
    x = 1,288,523.65

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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.