Home / 1,453,640-2,180,288.24-388,764.56

Finding the Fourth Proportional to 1,453,640, 2,180,288.24 and 388,764.56

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Solution

The fourth proportional to 1,453,640, 2,180,288.24 and 388,764.56 is: 583,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,640 : 2,180,288.24 = 388,764.56 : x
  2. Step 2: Convert to fraction form
    1,453,640/2,180,288.24 = 388,764.56/x
  3. Step 3: Cross multiply
    1,453,640x = 2,180,288.24 × 388,764.56
  4. Step 4: Simplify right side
    1,453,640x = 847,618,798,296.78
  5. Step 5: Solve for x
    x = 847,618,798,296.78/1,453,640
  6. Step 6: Final answer
    x = 583,100.90

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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.