Home / 1,012,124.34-1,396,178.64-649,144.26

Finding the Fourth Proportional to 1,012,124.34, 1,396,178.64 and 649,144.26

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Solution

The fourth proportional to 1,012,124.34, 1,396,178.64 and 649,144.26 is: 895,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,124.34 : 1,396,178.64 = 649,144.26 : x
  2. Step 2: Convert to fraction form
    1,012,124.34/1,396,178.64 = 649,144.26/x
  3. Step 3: Cross multiply
    1,012,124.34x = 1,396,178.64 × 649,144.26
  4. Step 4: Simplify right side
    1,012,124.34x = 906,321,350,090.61
  5. Step 5: Solve for x
    x = 906,321,350,090.61/1,012,124.34
  6. Step 6: Final answer
    x = 895,464.43

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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.