Home / 1,330,151.40-1,996,021.90-488,788.20

Finding the Fourth Proportional to 1,330,151.40, 1,996,021.90 and 488,788.20

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Solution

The fourth proportional to 1,330,151.40, 1,996,021.90 and 488,788.20 is: 733,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,151.40 : 1,996,021.90 = 488,788.20 : x
  2. Step 2: Convert to fraction form
    1,330,151.40/1,996,021.90 = 488,788.20/x
  3. Step 3: Cross multiply
    1,330,151.40x = 1,996,021.90 × 488,788.20
  4. Step 4: Simplify right side
    1,330,151.40x = 975,631,951,661.58
  5. Step 5: Solve for x
    x = 975,631,951,661.58/1,330,151.40
  6. Step 6: Final answer
    x = 733,474.36

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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.