Home / 1,295,038.86-1,942,556.92-442,039.72

Finding the Fourth Proportional to 1,295,038.86, 1,942,556.92 and 442,039.72

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Solution

The fourth proportional to 1,295,038.86, 1,942,556.92 and 442,039.72 is: 663,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,038.86 : 1,942,556.92 = 442,039.72 : x
  2. Step 2: Convert to fraction form
    1,295,038.86/1,942,556.92 = 442,039.72/x
  3. Step 3: Cross multiply
    1,295,038.86x = 1,942,556.92 × 442,039.72
  4. Step 4: Simplify right side
    1,295,038.86x = 858,687,317,168.14
  5. Step 5: Solve for x
    x = 858,687,317,168.14/1,295,038.86
  6. Step 6: Final answer
    x = 663,059.11

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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.