Home / 1,038,221.28-1,557,322.74-328,249.80

Finding the Fourth Proportional to 1,038,221.28, 1,557,322.74 and 328,249.80

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Solution

The fourth proportional to 1,038,221.28, 1,557,322.74 and 328,249.80 is: 492,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,221.28 : 1,557,322.74 = 328,249.80 : x
  2. Step 2: Convert to fraction form
    1,038,221.28/1,557,322.74 = 328,249.80/x
  3. Step 3: Cross multiply
    1,038,221.28x = 1,557,322.74 × 328,249.80
  4. Step 4: Simplify right side
    1,038,221.28x = 511,190,877,940.45
  5. Step 5: Solve for x
    x = 511,190,877,940.45/1,038,221.28
  6. Step 6: Final answer
    x = 492,371.80

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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.