Home / 1,559,174.88-2,151,661.68-843,782.88

Finding the Fourth Proportional to 1,559,174.88, 2,151,661.68 and 843,782.88

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Solution

The fourth proportional to 1,559,174.88, 2,151,661.68 and 843,782.88 is: 1,164,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,174.88 : 2,151,661.68 = 843,782.88 : x
  2. Step 2: Convert to fraction form
    1,559,174.88/2,151,661.68 = 843,782.88/x
  3. Step 3: Cross multiply
    1,559,174.88x = 2,151,661.68 × 843,782.88
  4. Step 4: Simplify right side
    1,559,174.88x = 1,815,535,289,136.04
  5. Step 5: Solve for x
    x = 1,815,535,289,136.04/1,559,174.88
  6. Step 6: Final answer
    x = 1,164,420.56

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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.