Home / 1,519,420.83-2,278,118.85-836,629.22

Finding the Fourth Proportional to 1,519,420.83, 2,278,118.85 and 836,629.22

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Solution

The fourth proportional to 1,519,420.83, 2,278,118.85 and 836,629.22 is: 1,254,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,420.83 : 2,278,118.85 = 836,629.22 : x
  2. Step 2: Convert to fraction form
    1,519,420.83/2,278,118.85 = 836,629.22/x
  3. Step 3: Cross multiply
    1,519,420.83x = 2,278,118.85 × 836,629.22
  4. Step 4: Simplify right side
    1,519,420.83x = 1,905,940,790,847.50
  5. Step 5: Solve for x
    x = 1,905,940,790,847.50/1,519,420.83
  6. Step 6: Final answer
    x = 1,254,386.38

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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.