Home / 1,219,740.75-1,683,279.12-675,825.64

Finding the Fourth Proportional to 1,219,740.75, 1,683,279.12 and 675,825.64

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Solution

The fourth proportional to 1,219,740.75, 1,683,279.12 and 675,825.64 is: 932,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,740.75 : 1,683,279.12 = 675,825.64 : x
  2. Step 2: Convert to fraction form
    1,219,740.75/1,683,279.12 = 675,825.64/x
  3. Step 3: Cross multiply
    1,219,740.75x = 1,683,279.12 × 675,825.64
  4. Step 4: Simplify right side
    1,219,740.75x = 1,137,603,188,572.64
  5. Step 5: Solve for x
    x = 1,137,603,188,572.64/1,219,740.75
  6. Step 6: Final answer
    x = 932,659.82

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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.