Home / 1,139,182.58-1,709,614.76-540,145.87

Finding the Fourth Proportional to 1,139,182.58, 1,709,614.76 and 540,145.87

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Solution

The fourth proportional to 1,139,182.58, 1,709,614.76 and 540,145.87 is: 810,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,182.58 : 1,709,614.76 = 540,145.87 : x
  2. Step 2: Convert to fraction form
    1,139,182.58/1,709,614.76 = 540,145.87/x
  3. Step 3: Cross multiply
    1,139,182.58x = 1,709,614.76 × 540,145.87
  4. Step 4: Simplify right side
    1,139,182.58x = 923,441,344,930.28
  5. Step 5: Solve for x
    x = 923,441,344,930.28/1,139,182.58
  6. Step 6: Final answer
    x = 810,617.51

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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.