Home / 1,080,625.89-1,620,938.81-406,858.35

Finding the Fourth Proportional to 1,080,625.89, 1,620,938.81 and 406,858.35

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Solution

The fourth proportional to 1,080,625.89, 1,620,938.81 and 406,858.35 is: 610,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,625.89 : 1,620,938.81 = 406,858.35 : x
  2. Step 2: Convert to fraction form
    1,080,625.89/1,620,938.81 = 406,858.35/x
  3. Step 3: Cross multiply
    1,080,625.89x = 1,620,938.81 × 406,858.35
  4. Step 4: Simplify right side
    1,080,625.89x = 659,492,487,653.27
  5. Step 5: Solve for x
    x = 659,492,487,653.27/1,080,625.89
  6. Step 6: Final answer
    x = 610,287.51

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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.