Home / 1,629,554.80-2,444,425.67-431,446

Finding the Fourth Proportional to 1,629,554.80, 2,444,425.67 and 431,446

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Solution

The fourth proportional to 1,629,554.80, 2,444,425.67 and 431,446 is: 647,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,554.80 : 2,444,425.67 = 431,446 : x
  2. Step 2: Convert to fraction form
    1,629,554.80/2,444,425.67 = 431,446/x
  3. Step 3: Cross multiply
    1,629,554.80x = 2,444,425.67 × 431,446
  4. Step 4: Simplify right side
    1,629,554.80x = 1,054,637,675,461.59
  5. Step 5: Solve for x
    x = 1,054,637,675,461.59/1,629,554.80
  6. Step 6: Final answer
    x = 647,193.75

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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.