Home / 918,699.60-1,378,049.40-682,503.60

Finding the Fourth Proportional to 918,699.60, 1,378,049.40 and 682,503.60

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Solution

The fourth proportional to 918,699.60, 1,378,049.40 and 682,503.60 is: 1,023,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,699.60 : 1,378,049.40 = 682,503.60 : x
  2. Step 2: Convert to fraction form
    918,699.60/1,378,049.40 = 682,503.60/x
  3. Step 3: Cross multiply
    918,699.60x = 1,378,049.40 × 682,503.60
  4. Step 4: Simplify right side
    918,699.60x = 940,523,676,477.84
  5. Step 5: Solve for x
    x = 940,523,676,477.84/918,699.60
  6. Step 6: Final answer
    x = 1,023,755.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.