Home / 1,152,384.88-1,728,761.64-487,542.64

Finding the Fourth Proportional to 1,152,384.88, 1,728,761.64 and 487,542.64

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Solution

The fourth proportional to 1,152,384.88, 1,728,761.64 and 487,542.64 is: 731,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,384.88 : 1,728,761.64 = 487,542.64 : x
  2. Step 2: Convert to fraction form
    1,152,384.88/1,728,761.64 = 487,542.64/x
  3. Step 3: Cross multiply
    1,152,384.88x = 1,728,761.64 × 487,542.64
  4. Step 4: Simplify right side
    1,152,384.88x = 842,845,013,896.33
  5. Step 5: Solve for x
    x = 842,845,013,896.33/1,152,384.88
  6. Step 6: Final answer
    x = 731,391.94

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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.