Home / 1,295,083.20-1,942,624.80-408,619.20

Finding the Fourth Proportional to 1,295,083.20, 1,942,624.80 and 408,619.20

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Solution

The fourth proportional to 1,295,083.20, 1,942,624.80 and 408,619.20 is: 612,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,083.20 : 1,942,624.80 = 408,619.20 : x
  2. Step 2: Convert to fraction form
    1,295,083.20/1,942,624.80 = 408,619.20/x
  3. Step 3: Cross multiply
    1,295,083.20x = 1,942,624.80 × 408,619.20
  4. Step 4: Simplify right side
    1,295,083.20x = 793,793,791,676.16
  5. Step 5: Solve for x
    x = 793,793,791,676.16/1,295,083.20
  6. Step 6: Final answer
    x = 612,928.80

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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.