Home / 1,330,371.30-1,995,119.55-488,813.70

Finding the Fourth Proportional to 1,330,371.30, 1,995,119.55 and 488,813.70

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Solution

The fourth proportional to 1,330,371.30, 1,995,119.55 and 488,813.70 is: 733,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,371.30 : 1,995,119.55 = 488,813.70 : x
  2. Step 2: Convert to fraction form
    1,330,371.30/1,995,119.55 = 488,813.70/x
  3. Step 3: Cross multiply
    1,330,371.30x = 1,995,119.55 × 488,813.70
  4. Step 4: Simplify right side
    1,330,371.30x = 975,241,769,177.84
  5. Step 5: Solve for x
    x = 975,241,769,177.84/1,330,371.30
  6. Step 6: Final answer
    x = 733,059.84

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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.