Home / 1,008,435-1,391,669.48-555,755.16

Finding the Fourth Proportional to 1,008,435, 1,391,669.48 and 555,755.16

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Solution

The fourth proportional to 1,008,435, 1,391,669.48 and 555,755.16 is: 766,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,435 : 1,391,669.48 = 555,755.16 : x
  2. Step 2: Convert to fraction form
    1,008,435/1,391,669.48 = 555,755.16/x
  3. Step 3: Cross multiply
    1,008,435x = 1,391,669.48 × 555,755.16
  4. Step 4: Simplify right side
    1,008,435x = 773,427,494,524.52
  5. Step 5: Solve for x
    x = 773,427,494,524.52/1,008,435
  6. Step 6: Final answer
    x = 766,958.20

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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.