Home / 1,294,525.68-1,786,505.94-721,570.02

Finding the Fourth Proportional to 1,294,525.68, 1,786,505.94 and 721,570.02

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Solution

The fourth proportional to 1,294,525.68, 1,786,505.94 and 721,570.02 is: 995,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,525.68 : 1,786,505.94 = 721,570.02 : x
  2. Step 2: Convert to fraction form
    1,294,525.68/1,786,505.94 = 721,570.02/x
  3. Step 3: Cross multiply
    1,294,525.68x = 1,786,505.94 × 721,570.02
  4. Step 4: Simplify right side
    1,294,525.68x = 1,289,089,126,855.92
  5. Step 5: Solve for x
    x = 1,289,089,126,855.92/1,294,525.68
  6. Step 6: Final answer
    x = 995,800.35

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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.