Home / 1,242,360-1,863,581.46-343,726.56

Finding the Fourth Proportional to 1,242,360, 1,863,581.46 and 343,726.56

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Solution

The fourth proportional to 1,242,360, 1,863,581.46 and 343,726.56 is: 515,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,360 : 1,863,581.46 = 343,726.56 : x
  2. Step 2: Convert to fraction form
    1,242,360/1,863,581.46 = 343,726.56/x
  3. Step 3: Cross multiply
    1,242,360x = 1,863,581.46 × 343,726.56
  4. Step 4: Simplify right side
    1,242,360x = 640,562,444,525.58
  5. Step 5: Solve for x
    x = 640,562,444,525.58/1,242,360
  6. Step 6: Final answer
    x = 515,601.31

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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.