Home / 1,260,839.70-1,739,950.20-716,975.46

Finding the Fourth Proportional to 1,260,839.70, 1,739,950.20 and 716,975.46

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Solution

The fourth proportional to 1,260,839.70, 1,739,950.20 and 716,975.46 is: 989,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,839.70 : 1,739,950.20 = 716,975.46 : x
  2. Step 2: Convert to fraction form
    1,260,839.70/1,739,950.20 = 716,975.46/x
  3. Step 3: Cross multiply
    1,260,839.70x = 1,739,950.20 × 716,975.46
  4. Step 4: Simplify right side
    1,260,839.70x = 1,247,501,595,022.09
  5. Step 5: Solve for x
    x = 1,247,501,595,022.09/1,260,839.70
  6. Step 6: Final answer
    x = 989,421.25

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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.