Home / 1,670,240.70-2,505,339.16-408,079.26

Finding the Fourth Proportional to 1,670,240.70, 2,505,339.16 and 408,079.26

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Solution

The fourth proportional to 1,670,240.70, 2,505,339.16 and 408,079.26 is: 612,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,240.70 : 2,505,339.16 = 408,079.26 : x
  2. Step 2: Convert to fraction form
    1,670,240.70/2,505,339.16 = 408,079.26/x
  3. Step 3: Cross multiply
    1,670,240.70x = 2,505,339.16 × 408,079.26
  4. Step 4: Simplify right side
    1,670,240.70x = 1,022,376,950,461.82
  5. Step 5: Solve for x
    x = 1,022,376,950,461.82/1,670,240.70
  6. Step 6: Final answer
    x = 612,113.54

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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.