Home / 1,416,516.25-1,954,735.50-771,922.60

Finding the Fourth Proportional to 1,416,516.25, 1,954,735.50 and 771,922.60

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Solution

The fourth proportional to 1,416,516.25, 1,954,735.50 and 771,922.60 is: 1,065,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,516.25 : 1,954,735.50 = 771,922.60 : x
  2. Step 2: Convert to fraction form
    1,416,516.25/1,954,735.50 = 771,922.60/x
  3. Step 3: Cross multiply
    1,416,516.25x = 1,954,735.50 × 771,922.60
  4. Step 4: Simplify right side
    1,416,516.25x = 1,508,904,509,472.30
  5. Step 5: Solve for x
    x = 1,508,904,509,472.30/1,416,516.25
  6. Step 6: Final answer
    x = 1,065,222.17

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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.