Home / 1,340,446.92-2,010,038.64-486,916.86

Finding the Fourth Proportional to 1,340,446.92, 2,010,038.64 and 486,916.86

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Solution

The fourth proportional to 1,340,446.92, 2,010,038.64 and 486,916.86 is: 730,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,446.92 : 2,010,038.64 = 486,916.86 : x
  2. Step 2: Convert to fraction form
    1,340,446.92/2,010,038.64 = 486,916.86/x
  3. Step 3: Cross multiply
    1,340,446.92x = 2,010,038.64 × 486,916.86
  4. Step 4: Simplify right side
    1,340,446.92x = 978,721,703,067.47
  5. Step 5: Solve for x
    x = 978,721,703,067.47/1,340,446.92
  6. Step 6: Final answer
    x = 730,145.81

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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.