Home / 1,332,020.96-1,838,151.60-728,396

Finding the Fourth Proportional to 1,332,020.96, 1,838,151.60 and 728,396

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Solution

The fourth proportional to 1,332,020.96, 1,838,151.60 and 728,396 is: 1,005,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,020.96 : 1,838,151.60 = 728,396 : x
  2. Step 2: Convert to fraction form
    1,332,020.96/1,838,151.60 = 728,396/x
  3. Step 3: Cross multiply
    1,332,020.96x = 1,838,151.60 × 728,396
  4. Step 4: Simplify right side
    1,332,020.96x = 1,338,902,272,833.60
  5. Step 5: Solve for x
    x = 1,338,902,272,833.60/1,332,020.96
  6. Step 6: Final answer
    x = 1,005,166.07

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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.