Home / 1,309,170.42-1,959,555.16-700,435.91

Finding the Fourth Proportional to 1,309,170.42, 1,959,555.16 and 700,435.91

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Solution

The fourth proportional to 1,309,170.42, 1,959,555.16 and 700,435.91 is: 1,048,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,170.42 : 1,959,555.16 = 700,435.91 : x
  2. Step 2: Convert to fraction form
    1,309,170.42/1,959,555.16 = 700,435.91/x
  3. Step 3: Cross multiply
    1,309,170.42x = 1,959,555.16 × 700,435.91
  4. Step 4: Simplify right side
    1,309,170.42x = 1,372,542,801,689.80
  5. Step 5: Solve for x
    x = 1,372,542,801,689.80/1,309,170.42
  6. Step 6: Final answer
    x = 1,048,406.52

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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.