Home / 1,220,241.83-1,684,014.78-676,400.54

Finding the Fourth Proportional to 1,220,241.83, 1,684,014.78 and 676,400.54

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Solution

The fourth proportional to 1,220,241.83, 1,684,014.78 and 676,400.54 is: 933,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,241.83 : 1,684,014.78 = 676,400.54 : x
  2. Step 2: Convert to fraction form
    1,220,241.83/1,684,014.78 = 676,400.54/x
  3. Step 3: Cross multiply
    1,220,241.83x = 1,684,014.78 × 676,400.54
  4. Step 4: Simplify right side
    1,220,241.83x = 1,139,068,508,250.98
  5. Step 5: Solve for x
    x = 1,139,068,508,250.98/1,220,241.83
  6. Step 6: Final answer
    x = 933,477.68

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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.