Home / 1,332,415.56-1,838,776.56-728,803.56

Finding the Fourth Proportional to 1,332,415.56, 1,838,776.56 and 728,803.56

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Solution

The fourth proportional to 1,332,415.56, 1,838,776.56 and 728,803.56 is: 1,005,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,415.56 : 1,838,776.56 = 728,803.56 : x
  2. Step 2: Convert to fraction form
    1,332,415.56/1,838,776.56 = 728,803.56/x
  3. Step 3: Cross multiply
    1,332,415.56x = 1,838,776.56 × 728,803.56
  4. Step 4: Simplify right side
    1,332,415.56x = 1,340,106,902,972.55
  5. Step 5: Solve for x
    x = 1,340,106,902,972.55/1,332,415.56
  6. Step 6: Final answer
    x = 1,005,772.48

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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.