Home / 1,331,679.88-1,997,718.72-490,167.64

Finding the Fourth Proportional to 1,331,679.88, 1,997,718.72 and 490,167.64

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Solution

The fourth proportional to 1,331,679.88, 1,997,718.72 and 490,167.64 is: 735,324.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,679.88 : 1,997,718.72 = 490,167.64 : x
  2. Step 2: Convert to fraction form
    1,331,679.88/1,997,718.72 = 490,167.64/x
  3. Step 3: Cross multiply
    1,331,679.88x = 1,997,718.72 × 490,167.64
  4. Step 4: Simplify right side
    1,331,679.88x = 979,217,070,366.22
  5. Step 5: Solve for x
    x = 979,217,070,366.22/1,331,679.88
  6. Step 6: Final answer
    x = 735,324.67

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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.