Home / 1,190,849.26-1,643,363.13-646,989.52

Finding the Fourth Proportional to 1,190,849.26, 1,643,363.13 and 646,989.52

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Solution

The fourth proportional to 1,190,849.26, 1,643,363.13 and 646,989.52 is: 892,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,849.26 : 1,643,363.13 = 646,989.52 : x
  2. Step 2: Convert to fraction form
    1,190,849.26/1,643,363.13 = 646,989.52/x
  3. Step 3: Cross multiply
    1,190,849.26x = 1,643,363.13 × 646,989.52
  4. Step 4: Simplify right side
    1,190,849.26x = 1,063,238,722,664.40
  5. Step 5: Solve for x
    x = 1,063,238,722,664.40/1,190,849.26
  6. Step 6: Final answer
    x = 892,840.73

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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.