Home / 1,220,380.40-1,684,140.18-704,241.41

Finding the Fourth Proportional to 1,220,380.40, 1,684,140.18 and 704,241.41

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Solution

The fourth proportional to 1,220,380.40, 1,684,140.18 and 704,241.41 is: 971,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,380.40 : 1,684,140.18 = 704,241.41 : x
  2. Step 2: Convert to fraction form
    1,220,380.40/1,684,140.18 = 704,241.41/x
  3. Step 3: Cross multiply
    1,220,380.40x = 1,684,140.18 × 704,241.41
  4. Step 4: Simplify right side
    1,220,380.40x = 1,186,041,260,129.89
  5. Step 5: Solve for x
    x = 1,186,041,260,129.89/1,220,380.40
  6. Step 6: Final answer
    x = 971,861.94

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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.