Home / 1,505,481.57-2,077,566.75-817,153.96

Finding the Fourth Proportional to 1,505,481.57, 2,077,566.75 and 817,153.96

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Solution

The fourth proportional to 1,505,481.57, 2,077,566.75 and 817,153.96 is: 1,127,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,481.57 : 2,077,566.75 = 817,153.96 : x
  2. Step 2: Convert to fraction form
    1,505,481.57/2,077,566.75 = 817,153.96/x
  3. Step 3: Cross multiply
    1,505,481.57x = 2,077,566.75 × 817,153.96
  4. Step 4: Simplify right side
    1,505,481.57x = 1,697,691,896,926.83
  5. Step 5: Solve for x
    x = 1,697,691,896,926.83/1,505,481.57
  6. Step 6: Final answer
    x = 1,127,673.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.