Home / 1,218,480.64-1,827,675.60-319,914.16

Finding the Fourth Proportional to 1,218,480.64, 1,827,675.60 and 319,914.16

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Solution

The fourth proportional to 1,218,480.64, 1,827,675.60 and 319,914.16 is: 479,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,480.64 : 1,827,675.60 = 319,914.16 : x
  2. Step 2: Convert to fraction form
    1,218,480.64/1,827,675.60 = 319,914.16/x
  3. Step 3: Cross multiply
    1,218,480.64x = 1,827,675.60 × 319,914.16
  4. Step 4: Simplify right side
    1,218,480.64x = 584,699,304,326.50
  5. Step 5: Solve for x
    x = 584,699,304,326.50/1,218,480.64
  6. Step 6: Final answer
    x = 479,859.33

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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.