Home / 1,259,841.60-1,889,762.40-628,673.40

Finding the Fourth Proportional to 1,259,841.60, 1,889,762.40 and 628,673.40

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Solution

The fourth proportional to 1,259,841.60, 1,889,762.40 and 628,673.40 is: 943,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,841.60 : 1,889,762.40 = 628,673.40 : x
  2. Step 2: Convert to fraction form
    1,259,841.60/1,889,762.40 = 628,673.40/x
  3. Step 3: Cross multiply
    1,259,841.60x = 1,889,762.40 × 628,673.40
  4. Step 4: Simplify right side
    1,259,841.60x = 1,188,043,353,200.16
  5. Step 5: Solve for x
    x = 1,188,043,353,200.16/1,259,841.60
  6. Step 6: Final answer
    x = 943,010.10

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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.