Home / 1,220,575.60-1,684,391.29-676,697.39

Finding the Fourth Proportional to 1,220,575.60, 1,684,391.29 and 676,697.39

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Solution

The fourth proportional to 1,220,575.60, 1,684,391.29 and 676,697.39 is: 933,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,575.60 : 1,684,391.29 = 676,697.39 : x
  2. Step 2: Convert to fraction form
    1,220,575.60/1,684,391.29 = 676,697.39/x
  3. Step 3: Cross multiply
    1,220,575.60x = 1,684,391.29 × 676,697.39
  4. Step 4: Simplify right side
    1,220,575.60x = 1,139,823,185,884.50
  5. Step 5: Solve for x
    x = 1,139,823,185,884.50/1,220,575.60
  6. Step 6: Final answer
    x = 933,840.71

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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.