Home / 1,629,218.40-2,444,702.40-682,684.80

Finding the Fourth Proportional to 1,629,218.40, 2,444,702.40 and 682,684.80

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Solution

The fourth proportional to 1,629,218.40, 2,444,702.40 and 682,684.80 is: 1,024,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,218.40 : 2,444,702.40 = 682,684.80 : x
  2. Step 2: Convert to fraction form
    1,629,218.40/2,444,702.40 = 682,684.80/x
  3. Step 3: Cross multiply
    1,629,218.40x = 2,444,702.40 × 682,684.80
  4. Step 4: Simplify right side
    1,629,218.40x = 1,668,961,169,003.52
  5. Step 5: Solve for x
    x = 1,668,961,169,003.52/1,629,218.40
  6. Step 6: Final answer
    x = 1,024,393.76

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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.