Home / 1,629,553.80-2,444,424.17-431,445

Finding the Fourth Proportional to 1,629,553.80, 2,444,424.17 and 431,445

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Solution

The fourth proportional to 1,629,553.80, 2,444,424.17 and 431,445 is: 647,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,553.80 : 2,444,424.17 = 431,445 : x
  2. Step 2: Convert to fraction form
    1,629,553.80/2,444,424.17 = 431,445/x
  3. Step 3: Cross multiply
    1,629,553.80x = 2,444,424.17 × 431,445
  4. Step 4: Simplify right side
    1,629,553.80x = 1,054,634,583,868.43
  5. Step 5: Solve for x
    x = 1,054,634,583,868.43/1,629,553.80
  6. Step 6: Final answer
    x = 647,192.25

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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.