Home / 1,200,031.65-1,800,049.20-490,059.69

Finding the Fourth Proportional to 1,200,031.65, 1,800,049.20 and 490,059.69

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Solution

The fourth proportional to 1,200,031.65, 1,800,049.20 and 490,059.69 is: 735,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,031.65 : 1,800,049.20 = 490,059.69 : x
  2. Step 2: Convert to fraction form
    1,200,031.65/1,800,049.20 = 490,059.69/x
  3. Step 3: Cross multiply
    1,200,031.65x = 1,800,049.20 × 490,059.69
  4. Step 4: Simplify right side
    1,200,031.65x = 882,131,552,936.75
  5. Step 5: Solve for x
    x = 882,131,552,936.75/1,200,031.65
  6. Step 6: Final answer
    x = 735,090.24

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1.5x scale

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.