Home / 1,330,722.69-1,996,276.71-419,595.90

Finding the Fourth Proportional to 1,330,722.69, 1,996,276.71 and 419,595.90

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Solution

The fourth proportional to 1,330,722.69, 1,996,276.71 and 419,595.90 is: 629,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,722.69 : 1,996,276.71 = 419,595.90 : x
  2. Step 2: Convert to fraction form
    1,330,722.69/1,996,276.71 = 419,595.90/x
  3. Step 3: Cross multiply
    1,330,722.69x = 1,996,276.71 × 419,595.90
  4. Step 4: Simplify right side
    1,330,722.69x = 837,629,522,781.49
  5. Step 5: Solve for x
    x = 837,629,522,781.49/1,330,722.69
  6. Step 6: Final answer
    x = 629,454.60

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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.