Home / 1,057,229.21-1,458,981.72-621,621.95

Finding the Fourth Proportional to 1,057,229.21, 1,458,981.72 and 621,621.95

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Solution

The fourth proportional to 1,057,229.21, 1,458,981.72 and 621,621.95 is: 857,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,229.21 : 1,458,981.72 = 621,621.95 : x
  2. Step 2: Convert to fraction form
    1,057,229.21/1,458,981.72 = 621,621.95/x
  3. Step 3: Cross multiply
    1,057,229.21x = 1,458,981.72 × 621,621.95
  4. Step 4: Simplify right side
    1,057,229.21x = 906,935,054,505.85
  5. Step 5: Solve for x
    x = 906,935,054,505.85/1,057,229.21
  6. Step 6: Final answer
    x = 857,841.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.