Home / 1,188,741.58-1,640,463.36-679,454.88

Finding the Fourth Proportional to 1,188,741.58, 1,640,463.36 and 679,454.88

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Solution

The fourth proportional to 1,188,741.58, 1,640,463.36 and 679,454.88 is: 937,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,741.58 : 1,640,463.36 = 679,454.88 : x
  2. Step 2: Convert to fraction form
    1,188,741.58/1,640,463.36 = 679,454.88/x
  3. Step 3: Cross multiply
    1,188,741.58x = 1,640,463.36 × 679,454.88
  4. Step 4: Simplify right side
    1,188,741.58x = 1,114,620,835,413.20
  5. Step 5: Solve for x
    x = 1,114,620,835,413.20/1,188,741.58
  6. Step 6: Final answer
    x = 937,647.72

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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.