Home / 1,028,249.03-1,541,366.80-429,381.45

Finding the Fourth Proportional to 1,028,249.03, 1,541,366.80 and 429,381.45

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Solution

The fourth proportional to 1,028,249.03, 1,541,366.80 and 429,381.45 is: 643,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,249.03 : 1,541,366.80 = 429,381.45 : x
  2. Step 2: Convert to fraction form
    1,028,249.03/1,541,366.80 = 429,381.45/x
  3. Step 3: Cross multiply
    1,028,249.03x = 1,541,366.80 × 429,381.45
  4. Step 4: Simplify right side
    1,028,249.03x = 661,834,314,029.30
  5. Step 5: Solve for x
    x = 661,834,314,029.30/1,028,249.03
  6. Step 6: Final answer
    x = 643,651.78

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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.