Home / 1,612,531.89-2,418,802.80-398,108.65

Finding the Fourth Proportional to 1,612,531.89, 2,418,802.80 and 398,108.65

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Solution

The fourth proportional to 1,612,531.89, 2,418,802.80 and 398,108.65 is: 597,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,531.89 : 2,418,802.80 = 398,108.65 : x
  2. Step 2: Convert to fraction form
    1,612,531.89/2,418,802.80 = 398,108.65/x
  3. Step 3: Cross multiply
    1,612,531.89x = 2,418,802.80 × 398,108.65
  4. Step 4: Simplify right side
    1,612,531.89x = 962,946,317,324.22
  5. Step 5: Solve for x
    x = 962,946,317,324.22/1,612,531.89
  6. Step 6: Final answer
    x = 597,164.20

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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.