Home / 1,453,543.13-2,180,148.32-388,668.22

Finding the Fourth Proportional to 1,453,543.13, 2,180,148.32 and 388,668.22

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Solution

The fourth proportional to 1,453,543.13, 2,180,148.32 and 388,668.22 is: 582,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,543.13 : 2,180,148.32 = 388,668.22 : x
  2. Step 2: Convert to fraction form
    1,453,543.13/2,180,148.32 = 388,668.22/x
  3. Step 3: Cross multiply
    1,453,543.13x = 2,180,148.32 × 388,668.22
  4. Step 4: Simplify right side
    1,453,543.13x = 847,354,370,567.25
  5. Step 5: Solve for x
    x = 847,354,370,567.25/1,453,543.13
  6. Step 6: Final answer
    x = 582,957.85

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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.