Home / 1,332,194.61-1,838,427.25-720,345.90

Finding the Fourth Proportional to 1,332,194.61, 1,838,427.25 and 720,345.90

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Solution

The fourth proportional to 1,332,194.61, 1,838,427.25 and 720,345.90 is: 994,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,194.61 : 1,838,427.25 = 720,345.90 : x
  2. Step 2: Convert to fraction form
    1,332,194.61/1,838,427.25 = 720,345.90/x
  3. Step 3: Cross multiply
    1,332,194.61x = 1,838,427.25 × 720,345.90
  4. Step 4: Simplify right side
    1,332,194.61x = 1,324,303,531,985.78
  5. Step 5: Solve for x
    x = 1,324,303,531,985.78/1,332,194.61
  6. Step 6: Final answer
    x = 994,076.63

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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.