Home / 1,416,505.50-1,954,777.59-780,601.50

Finding the Fourth Proportional to 1,416,505.50, 1,954,777.59 and 780,601.50

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Solution

The fourth proportional to 1,416,505.50, 1,954,777.59 and 780,601.50 is: 1,077,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,505.50 : 1,954,777.59 = 780,601.50 : x
  2. Step 2: Convert to fraction form
    1,416,505.50/1,954,777.59 = 780,601.50/x
  3. Step 3: Cross multiply
    1,416,505.50x = 1,954,777.59 × 780,601.50
  4. Step 4: Simplify right side
    1,416,505.50x = 1,525,902,318,920.39
  5. Step 5: Solve for x
    x = 1,525,902,318,920.39/1,416,505.50
  6. Step 6: Final answer
    x = 1,077,230.07

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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.