Home / 1,330,509.90-1,995,764.85-620,609.70

Finding the Fourth Proportional to 1,330,509.90, 1,995,764.85 and 620,609.70

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Solution

The fourth proportional to 1,330,509.90, 1,995,764.85 and 620,609.70 is: 930,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,509.90 : 1,995,764.85 = 620,609.70 : x
  2. Step 2: Convert to fraction form
    1,330,509.90/1,995,764.85 = 620,609.70/x
  3. Step 3: Cross multiply
    1,330,509.90x = 1,995,764.85 × 620,609.70
  4. Step 4: Simplify right side
    1,330,509.90x = 1,238,591,024,829.05
  5. Step 5: Solve for x
    x = 1,238,591,024,829.05/1,330,509.90
  6. Step 6: Final answer
    x = 930,914.55

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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.