Home / 1,330,371.80-1,995,120.30-488,814.20

Finding the Fourth Proportional to 1,330,371.80, 1,995,120.30 and 488,814.20

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Solution

The fourth proportional to 1,330,371.80, 1,995,120.30 and 488,814.20 is: 733,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,371.80 : 1,995,120.30 = 488,814.20 : x
  2. Step 2: Convert to fraction form
    1,330,371.80/1,995,120.30 = 488,814.20/x
  3. Step 3: Cross multiply
    1,330,371.80x = 1,995,120.30 × 488,814.20
  4. Step 4: Simplify right side
    1,330,371.80x = 975,243,133,348.26
  5. Step 5: Solve for x
    x = 975,243,133,348.26/1,330,371.80
  6. Step 6: Final answer
    x = 733,060.59

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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.