Home / 1,516,920.86-2,275,720.68-570,299.78

Finding the Fourth Proportional to 1,516,920.86, 2,275,720.68 and 570,299.78

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Solution

The fourth proportional to 1,516,920.86, 2,275,720.68 and 570,299.78 is: 855,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,920.86 : 2,275,720.68 = 570,299.78 : x
  2. Step 2: Convert to fraction form
    1,516,920.86/2,275,720.68 = 570,299.78/x
  3. Step 3: Cross multiply
    1,516,920.86x = 2,275,720.68 × 570,299.78
  4. Step 4: Simplify right side
    1,516,920.86x = 1,297,843,003,145.45
  5. Step 5: Solve for x
    x = 1,297,843,003,145.45/1,516,920.86
  6. Step 6: Final answer
    x = 855,577.27

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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.