Home / 1,300,777.36-1,946,376.51-786,608.80

Finding the Fourth Proportional to 1,300,777.36, 1,946,376.51 and 786,608.80

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Solution

The fourth proportional to 1,300,777.36, 1,946,376.51 and 786,608.80 is: 1,177,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,777.36 : 1,946,376.51 = 786,608.80 : x
  2. Step 2: Convert to fraction form
    1,300,777.36/1,946,376.51 = 786,608.80/x
  3. Step 3: Cross multiply
    1,300,777.36x = 1,946,376.51 × 786,608.80
  4. Step 4: Simplify right side
    1,300,777.36x = 1,531,036,890,879.29
  5. Step 5: Solve for x
    x = 1,531,036,890,879.29/1,300,777.36
  6. Step 6: Final answer
    x = 1,177,016.87

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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.