Home / 945,896.20-1,416,770.70-821,480.20

Finding the Fourth Proportional to 945,896.20, 1,416,770.70 and 821,480.20

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Solution

The fourth proportional to 945,896.20, 1,416,770.70 and 821,480.20 is: 1,230,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,896.20 : 1,416,770.70 = 821,480.20 : x
  2. Step 2: Convert to fraction form
    945,896.20/1,416,770.70 = 821,480.20/x
  3. Step 3: Cross multiply
    945,896.20x = 1,416,770.70 × 821,480.20
  4. Step 4: Simplify right side
    945,896.20x = 1,163,849,077,990.14
  5. Step 5: Solve for x
    x = 1,163,849,077,990.14/945,896.20
  6. Step 6: Final answer
    x = 1,230,419.45

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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.