Home / 1,009,379.68-1,393,410.42-622,264.28

Finding the Fourth Proportional to 1,009,379.68, 1,393,410.42 and 622,264.28

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Solution

The fourth proportional to 1,009,379.68, 1,393,410.42 and 622,264.28 is: 859,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,379.68 : 1,393,410.42 = 622,264.28 : x
  2. Step 2: Convert to fraction form
    1,009,379.68/1,393,410.42 = 622,264.28/x
  3. Step 3: Cross multiply
    1,009,379.68x = 1,393,410.42 × 622,264.28
  4. Step 4: Simplify right side
    1,009,379.68x = 867,069,524,778.75
  5. Step 5: Solve for x
    x = 867,069,524,778.75/1,009,379.68
  6. Step 6: Final answer
    x = 859,012.27

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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.