Home / 1,504,164.80-2,256,005.10-438,957.20

Finding the Fourth Proportional to 1,504,164.80, 2,256,005.10 and 438,957.20

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Solution

The fourth proportional to 1,504,164.80, 2,256,005.10 and 438,957.20 is: 658,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,164.80 : 2,256,005.10 = 438,957.20 : x
  2. Step 2: Convert to fraction form
    1,504,164.80/2,256,005.10 = 438,957.20/x
  3. Step 3: Cross multiply
    1,504,164.80x = 2,256,005.10 × 438,957.20
  4. Step 4: Simplify right side
    1,504,164.80x = 990,289,681,881.72
  5. Step 5: Solve for x
    x = 990,289,681,881.72/1,504,164.80
  6. Step 6: Final answer
    x = 658,365.15

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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.