Home / 1,008,449.64-1,391,653.44-555,740.64

Finding the Fourth Proportional to 1,008,449.64, 1,391,653.44 and 555,740.64

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Solution

The fourth proportional to 1,008,449.64, 1,391,653.44 and 555,740.64 is: 766,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,449.64 : 1,391,653.44 = 555,740.64 : x
  2. Step 2: Convert to fraction form
    1,008,449.64/1,391,653.44 = 555,740.64/x
  3. Step 3: Cross multiply
    1,008,449.64x = 1,391,653.44 × 555,740.64
  4. Step 4: Simplify right side
    1,008,449.64x = 773,398,373,403.80
  5. Step 5: Solve for x
    x = 773,398,373,403.80/1,008,449.64
  6. Step 6: Final answer
    x = 766,918.19

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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.