Home / 810,678.56-1,210,081.30-714,914.60

Finding the Fourth Proportional to 810,678.56, 1,210,081.30 and 714,914.60

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Solution

The fourth proportional to 810,678.56, 1,210,081.30 and 714,914.60 is: 1,067,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,678.56 : 1,210,081.30 = 714,914.60 : x
  2. Step 2: Convert to fraction form
    810,678.56/1,210,081.30 = 714,914.60/x
  3. Step 3: Cross multiply
    810,678.56x = 1,210,081.30 × 714,914.60
  4. Step 4: Simplify right side
    810,678.56x = 865,104,788,556.98
  5. Step 5: Solve for x
    x = 865,104,788,556.98/810,678.56
  6. Step 6: Final answer
    x = 1,067,136.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.