Home / 1,074,384.90-1,609,633.35-851,213.70

Finding the Fourth Proportional to 1,074,384.90, 1,609,633.35 and 851,213.70

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Solution

The fourth proportional to 1,074,384.90, 1,609,633.35 and 851,213.70 is: 1,275,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,384.90 : 1,609,633.35 = 851,213.70 : x
  2. Step 2: Convert to fraction form
    1,074,384.90/1,609,633.35 = 851,213.70/x
  3. Step 3: Cross multiply
    1,074,384.90x = 1,609,633.35 × 851,213.70
  4. Step 4: Simplify right side
    1,074,384.90x = 1,370,141,959,496.90
  5. Step 5: Solve for x
    x = 1,370,141,959,496.90/1,074,384.90
  6. Step 6: Final answer
    x = 1,275,280.36

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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.