Home / 1,515,433.71-2,091,268.88-827,110.50

Finding the Fourth Proportional to 1,515,433.71, 2,091,268.88 and 827,110.50

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Solution

The fourth proportional to 1,515,433.71, 2,091,268.88 and 827,110.50 is: 1,141,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,433.71 : 2,091,268.88 = 827,110.50 : x
  2. Step 2: Convert to fraction form
    1,515,433.71/2,091,268.88 = 827,110.50/x
  3. Step 3: Cross multiply
    1,515,433.71x = 2,091,268.88 × 827,110.50
  4. Step 4: Simplify right side
    1,515,433.71x = 1,729,710,444,835.69
  5. Step 5: Solve for x
    x = 1,729,710,444,835.69/1,515,433.71
  6. Step 6: Final answer
    x = 1,141,396.31

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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.