Home / 1,238,628.26-1,857,945.29-340,082.30

Finding the Fourth Proportional to 1,238,628.26, 1,857,945.29 and 340,082.30

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Solution

The fourth proportional to 1,238,628.26, 1,857,945.29 and 340,082.30 is: 510,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,628.26 : 1,857,945.29 = 340,082.30 : x
  2. Step 2: Convert to fraction form
    1,238,628.26/1,857,945.29 = 340,082.30/x
  3. Step 3: Cross multiply
    1,238,628.26x = 1,857,945.29 × 340,082.30
  4. Step 4: Simplify right side
    1,238,628.26x = 631,854,296,507.23
  5. Step 5: Solve for x
    x = 631,854,296,507.23/1,238,628.26
  6. Step 6: Final answer
    x = 510,124.24

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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.