Home / 1,138,029.49-1,570,462.37-621,772.30

Finding the Fourth Proportional to 1,138,029.49, 1,570,462.37 and 621,772.30

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Solution

The fourth proportional to 1,138,029.49, 1,570,462.37 and 621,772.30 is: 858,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,029.49 : 1,570,462.37 = 621,772.30 : x
  2. Step 2: Convert to fraction form
    1,138,029.49/1,570,462.37 = 621,772.30/x
  3. Step 3: Cross multiply
    1,138,029.49x = 1,570,462.37 × 621,772.30
  4. Step 4: Simplify right side
    1,138,029.49x = 976,469,999,858.35
  5. Step 5: Solve for x
    x = 976,469,999,858.35/1,138,029.49
  6. Step 6: Final answer
    x = 858,035.76

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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.