Home / 1,807,731.06-2,711,595.78-685,800.06

Finding the Fourth Proportional to 1,807,731.06, 2,711,595.78 and 685,800.06

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Solution

The fourth proportional to 1,807,731.06, 2,711,595.78 and 685,800.06 is: 1,028,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,731.06 : 2,711,595.78 = 685,800.06 : x
  2. Step 2: Convert to fraction form
    1,807,731.06/2,711,595.78 = 685,800.06/x
  3. Step 3: Cross multiply
    1,807,731.06x = 2,711,595.78 × 685,800.06
  4. Step 4: Simplify right side
    1,807,731.06x = 1,859,612,548,619.75
  5. Step 5: Solve for x
    x = 1,859,612,548,619.75/1,807,731.06
  6. Step 6: Final answer
    x = 1,028,699.78

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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.