Home / 1,288,584.64-1,932,726.84-342,028.90

Finding the Fourth Proportional to 1,288,584.64, 1,932,726.84 and 342,028.90

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Solution

The fourth proportional to 1,288,584.64, 1,932,726.84 and 342,028.90 is: 513,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,584.64 : 1,932,726.84 = 342,028.90 : x
  2. Step 2: Convert to fraction form
    1,288,584.64/1,932,726.84 = 342,028.90/x
  3. Step 3: Cross multiply
    1,288,584.64x = 1,932,726.84 × 342,028.90
  4. Step 4: Simplify right side
    1,288,584.64x = 661,048,435,085.68
  5. Step 5: Solve for x
    x = 661,048,435,085.68/1,288,584.64
  6. Step 6: Final answer
    x = 513,003.50

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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.