Home / 1,453,543.69-2,180,149.17-388,668.79

Finding the Fourth Proportional to 1,453,543.69, 2,180,149.17 and 388,668.79

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Solution

The fourth proportional to 1,453,543.69, 2,180,149.17 and 388,668.79 is: 582,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,543.69 : 2,180,149.17 = 388,668.79 : x
  2. Step 2: Convert to fraction form
    1,453,543.69/2,180,149.17 = 388,668.79/x
  3. Step 3: Cross multiply
    1,453,543.69x = 2,180,149.17 × 388,668.79
  4. Step 4: Simplify right side
    1,453,543.69x = 847,355,934,473.03
  5. Step 5: Solve for x
    x = 847,355,934,473.03/1,453,543.69
  6. Step 6: Final answer
    x = 582,958.70

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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.