Home / 1,639,612.76-2,459,734.36-628,655.87

Finding the Fourth Proportional to 1,639,612.76, 2,459,734.36 and 628,655.87

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Solution

The fourth proportional to 1,639,612.76, 2,459,734.36 and 628,655.87 is: 943,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,612.76 : 2,459,734.36 = 628,655.87 : x
  2. Step 2: Convert to fraction form
    1,639,612.76/2,459,734.36 = 628,655.87/x
  3. Step 3: Cross multiply
    1,639,612.76x = 2,459,734.36 × 628,655.87
  4. Step 4: Simplify right side
    1,639,612.76x = 1,546,326,448,632.39
  5. Step 5: Solve for x
    x = 1,546,326,448,632.39/1,639,612.76
  6. Step 6: Final answer
    x = 943,104.67

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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.