Home / 1,220,803.82-1,684,729.46-676,962.54

Finding the Fourth Proportional to 1,220,803.82, 1,684,729.46 and 676,962.54

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Solution

The fourth proportional to 1,220,803.82, 1,684,729.46 and 676,962.54 is: 934,219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,803.82 : 1,684,729.46 = 676,962.54 : x
  2. Step 2: Convert to fraction form
    1,220,803.82/1,684,729.46 = 676,962.54/x
  3. Step 3: Cross multiply
    1,220,803.82x = 1,684,729.46 × 676,962.54
  4. Step 4: Simplify right side
    1,220,803.82x = 1,140,498,734,454.43
  5. Step 5: Solve for x
    x = 1,140,498,734,454.43/1,220,803.82
  6. Step 6: Final answer
    x = 934,219.50

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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.