Home / 1,284,139.52-1,772,131.04-740,265.44

Finding the Fourth Proportional to 1,284,139.52, 1,772,131.04 and 740,265.44

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Solution

The fourth proportional to 1,284,139.52, 1,772,131.04 and 740,265.44 is: 1,021,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,139.52 : 1,772,131.04 = 740,265.44 : x
  2. Step 2: Convert to fraction form
    1,284,139.52/1,772,131.04 = 740,265.44/x
  3. Step 3: Cross multiply
    1,284,139.52x = 1,772,131.04 × 740,265.44
  4. Step 4: Simplify right side
    1,284,139.52x = 1,311,847,364,063.26
  5. Step 5: Solve for x
    x = 1,311,847,364,063.26/1,284,139.52
  6. Step 6: Final answer
    x = 1,021,576.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.