Home / 1,311,198.53-1,967,064.77-553,042.81

Finding the Fourth Proportional to 1,311,198.53, 1,967,064.77 and 553,042.81

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Solution

The fourth proportional to 1,311,198.53, 1,967,064.77 and 553,042.81 is: 829,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,198.53 : 1,967,064.77 = 553,042.81 : x
  2. Step 2: Convert to fraction form
    1,311,198.53/1,967,064.77 = 553,042.81/x
  3. Step 3: Cross multiply
    1,311,198.53x = 1,967,064.77 × 553,042.81
  4. Step 4: Simplify right side
    1,311,198.53x = 1,087,871,030,138.81
  5. Step 5: Solve for x
    x = 1,087,871,030,138.81/1,311,198.53
  6. Step 6: Final answer
    x = 829,676.83

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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.