Home / 1,008,107.56-1,391,191.86-555,397.48

Finding the Fourth Proportional to 1,008,107.56, 1,391,191.86 and 555,397.48

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Solution

The fourth proportional to 1,008,107.56, 1,391,191.86 and 555,397.48 is: 766,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,107.56 : 1,391,191.86 = 555,397.48 : x
  2. Step 2: Convert to fraction form
    1,008,107.56/1,391,191.86 = 555,397.48/x
  3. Step 3: Cross multiply
    1,008,107.56x = 1,391,191.86 × 555,397.48
  4. Step 4: Simplify right side
    1,008,107.56x = 772,664,453,240.51
  5. Step 5: Solve for x
    x = 772,664,453,240.51/1,008,107.56
  6. Step 6: Final answer
    x = 766,450.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.