Home / 1,293,133.52-1,784,456.52-720,163.28

Finding the Fourth Proportional to 1,293,133.52, 1,784,456.52 and 720,163.28

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Solution

The fourth proportional to 1,293,133.52, 1,784,456.52 and 720,163.28 is: 993,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,133.52 : 1,784,456.52 = 720,163.28 : x
  2. Step 2: Convert to fraction form
    1,293,133.52/1,784,456.52 = 720,163.28/x
  3. Step 3: Cross multiply
    1,293,133.52x = 1,784,456.52 × 720,163.28
  4. Step 4: Simplify right side
    1,293,133.52x = 1,285,100,060,460.59
  5. Step 5: Solve for x
    x = 1,285,100,060,460.59/1,293,133.52
  6. Step 6: Final answer
    x = 993,787.60

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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.