Home / 1,295,040.20-1,942,617.90-442,099.40

Finding the Fourth Proportional to 1,295,040.20, 1,942,617.90 and 442,099.40

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Solution

The fourth proportional to 1,295,040.20, 1,942,617.90 and 442,099.40 is: 663,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,040.20 : 1,942,617.90 = 442,099.40 : x
  2. Step 2: Convert to fraction form
    1,295,040.20/1,942,617.90 = 442,099.40/x
  3. Step 3: Cross multiply
    1,295,040.20x = 1,942,617.90 × 442,099.40
  4. Step 4: Simplify right side
    1,295,040.20x = 858,830,208,019.26
  5. Step 5: Solve for x
    x = 858,830,208,019.26/1,295,040.20
  6. Step 6: Final answer
    x = 663,168.76

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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.