Home / 1,322,075.72-1,983,399.09-411,240.85

Finding the Fourth Proportional to 1,322,075.72, 1,983,399.09 and 411,240.85

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Solution

The fourth proportional to 1,322,075.72, 1,983,399.09 and 411,240.85 is: 616,950.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,075.72 : 1,983,399.09 = 411,240.85 : x
  2. Step 2: Convert to fraction form
    1,322,075.72/1,983,399.09 = 411,240.85/x
  3. Step 3: Cross multiply
    1,322,075.72x = 1,983,399.09 × 411,240.85
  4. Step 4: Simplify right side
    1,322,075.72x = 815,654,721,160.18
  5. Step 5: Solve for x
    x = 815,654,721,160.18/1,322,075.72
  6. Step 6: Final answer
    x = 616,950.08

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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.