Home / 918,014.70-1,374,300.45-682,401.90

Finding the Fourth Proportional to 918,014.70, 1,374,300.45 and 682,401.90

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Solution

The fourth proportional to 918,014.70, 1,374,300.45 and 682,401.90 is: 1,021,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,014.70 : 1,374,300.45 = 682,401.90 : x
  2. Step 2: Convert to fraction form
    918,014.70/1,374,300.45 = 682,401.90/x
  3. Step 3: Cross multiply
    918,014.70x = 1,374,300.45 × 682,401.90
  4. Step 4: Simplify right side
    918,014.70x = 937,825,238,250.86
  5. Step 5: Solve for x
    x = 937,825,238,250.86/918,014.70
  6. Step 6: Final answer
    x = 1,021,579.76

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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.