Home / 1,330,357.70-1,995,342.15-383,629.70

Finding the Fourth Proportional to 1,330,357.70, 1,995,342.15 and 383,629.70

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Solution

The fourth proportional to 1,330,357.70, 1,995,342.15 and 383,629.70 is: 575,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,357.70 : 1,995,342.15 = 383,629.70 : x
  2. Step 2: Convert to fraction form
    1,330,357.70/1,995,342.15 = 383,629.70/x
  3. Step 3: Cross multiply
    1,330,357.70x = 1,995,342.15 × 383,629.70
  4. Step 4: Simplify right side
    1,330,357.70x = 765,472,510,401.86
  5. Step 5: Solve for x
    x = 765,472,510,401.86/1,330,357.70
  6. Step 6: Final answer
    x = 575,388.49

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1.5x scale

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.