Home / 1,128,623.29-1,692,902.13-329,923.60

Finding the Fourth Proportional to 1,128,623.29, 1,692,902.13 and 329,923.60

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Solution

The fourth proportional to 1,128,623.29, 1,692,902.13 and 329,923.60 is: 494,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,623.29 : 1,692,902.13 = 329,923.60 : x
  2. Step 2: Convert to fraction form
    1,128,623.29/1,692,902.13 = 329,923.60/x
  3. Step 3: Cross multiply
    1,128,623.29x = 1,692,902.13 × 329,923.60
  4. Step 4: Simplify right side
    1,128,623.29x = 558,528,365,177.27
  5. Step 5: Solve for x
    x = 558,528,365,177.27/1,128,623.29
  6. Step 6: Final answer
    x = 494,875.81

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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.