Home / 1,165,457.54-1,748,186.31-418,028.42

Finding the Fourth Proportional to 1,165,457.54, 1,748,186.31 and 418,028.42

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Solution

The fourth proportional to 1,165,457.54, 1,748,186.31 and 418,028.42 is: 627,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,457.54 : 1,748,186.31 = 418,028.42 : x
  2. Step 2: Convert to fraction form
    1,165,457.54/1,748,186.31 = 418,028.42/x
  3. Step 3: Cross multiply
    1,165,457.54x = 1,748,186.31 × 418,028.42
  4. Step 4: Simplify right side
    1,165,457.54x = 730,791,561,034.93
  5. Step 5: Solve for x
    x = 730,791,561,034.93/1,165,457.54
  6. Step 6: Final answer
    x = 627,042.63

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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.