Home / 1,188,750.33-1,640,475.45-679,463.64

Finding the Fourth Proportional to 1,188,750.33, 1,640,475.45 and 679,463.64

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Solution

The fourth proportional to 1,188,750.33, 1,640,475.45 and 679,463.64 is: 937,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,750.33 : 1,640,475.45 = 679,463.64 : x
  2. Step 2: Convert to fraction form
    1,188,750.33/1,640,475.45 = 679,463.64/x
  3. Step 3: Cross multiply
    1,188,750.33x = 1,640,475.45 × 679,463.64
  4. Step 4: Simplify right side
    1,188,750.33x = 1,114,643,420,587.64
  5. Step 5: Solve for x
    x = 1,114,643,420,587.64/1,188,750.33
  6. Step 6: Final answer
    x = 937,659.82

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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.