Home / 1,316,516.09-1,974,842.57-418,028.24

Finding the Fourth Proportional to 1,316,516.09, 1,974,842.57 and 418,028.24

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Solution

The fourth proportional to 1,316,516.09, 1,974,842.57 and 418,028.24 is: 627,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,516.09 : 1,974,842.57 = 418,028.24 : x
  2. Step 2: Convert to fraction form
    1,316,516.09/1,974,842.57 = 418,028.24/x
  3. Step 3: Cross multiply
    1,316,516.09x = 1,974,842.57 × 418,028.24
  4. Step 4: Simplify right side
    1,316,516.09x = 825,539,969,796.35
  5. Step 5: Solve for x
    x = 825,539,969,796.35/1,316,516.09
  6. Step 6: Final answer
    x = 627,064.10

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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.