Home / 1,640,019.60-2,458,279.80-628,750.80

Finding the Fourth Proportional to 1,640,019.60, 2,458,279.80 and 628,750.80

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Solution

The fourth proportional to 1,640,019.60, 2,458,279.80 and 628,750.80 is: 942,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,019.60 : 2,458,279.80 = 628,750.80 : x
  2. Step 2: Convert to fraction form
    1,640,019.60/2,458,279.80 = 628,750.80/x
  3. Step 3: Cross multiply
    1,640,019.60x = 2,458,279.80 × 628,750.80
  4. Step 4: Simplify right side
    1,640,019.60x = 1,545,645,390,873.84
  5. Step 5: Solve for x
    x = 1,545,645,390,873.84/1,640,019.60
  6. Step 6: Final answer
    x = 942,455.44

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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.