Home / 1,087,635.64-1,631,454.06-413,561.23

Finding the Fourth Proportional to 1,087,635.64, 1,631,454.06 and 413,561.23

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Solution

The fourth proportional to 1,087,635.64, 1,631,454.06 and 413,561.23 is: 620,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,635.64 : 1,631,454.06 = 413,561.23 : x
  2. Step 2: Convert to fraction form
    1,087,635.64/1,631,454.06 = 413,561.23/x
  3. Step 3: Cross multiply
    1,087,635.64x = 1,631,454.06 × 413,561.23
  4. Step 4: Simplify right side
    1,087,635.64x = 674,706,147,742.09
  5. Step 5: Solve for x
    x = 674,706,147,742.09/1,087,635.64
  6. Step 6: Final answer
    x = 620,342.07

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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.