Home / 1,332,048.33-1,838,199.29-728,436.33

Finding the Fourth Proportional to 1,332,048.33, 1,838,199.29 and 728,436.33

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Solution

The fourth proportional to 1,332,048.33, 1,838,199.29 and 728,436.33 is: 1,005,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,048.33 : 1,838,199.29 = 728,436.33 : x
  2. Step 2: Convert to fraction form
    1,332,048.33/1,838,199.29 = 728,436.33/x
  3. Step 3: Cross multiply
    1,332,048.33x = 1,838,199.29 × 728,436.33
  4. Step 4: Simplify right side
    1,332,048.33x = 1,339,011,140,974.02
  5. Step 5: Solve for x
    x = 1,339,011,140,974.02/1,332,048.33
  6. Step 6: Final answer
    x = 1,005,227.15

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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.