Home / 1,347,681.52-2,021,444.52-815,059.56

Finding the Fourth Proportional to 1,347,681.52, 2,021,444.52 and 815,059.56

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Solution

The fourth proportional to 1,347,681.52, 2,021,444.52 and 815,059.56 is: 1,222,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,681.52 : 2,021,444.52 = 815,059.56 : x
  2. Step 2: Convert to fraction form
    1,347,681.52/2,021,444.52 = 815,059.56/x
  3. Step 3: Cross multiply
    1,347,681.52x = 2,021,444.52 × 815,059.56
  4. Step 4: Simplify right side
    1,347,681.52x = 1,647,597,681,035.61
  5. Step 5: Solve for x
    x = 1,647,597,681,035.61/1,347,681.52
  6. Step 6: Final answer
    x = 1,222,542.31

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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.