Home / 1,215,369.51-1,677,243.74-671,540.34

Finding the Fourth Proportional to 1,215,369.51, 1,677,243.74 and 671,540.34

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Solution

The fourth proportional to 1,215,369.51, 1,677,243.74 and 671,540.34 is: 926,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,369.51 : 1,677,243.74 = 671,540.34 : x
  2. Step 2: Convert to fraction form
    1,215,369.51/1,677,243.74 = 671,540.34/x
  3. Step 3: Cross multiply
    1,215,369.51x = 1,677,243.74 × 671,540.34
  4. Step 4: Simplify right side
    1,215,369.51x = 1,126,336,831,422.47
  5. Step 5: Solve for x
    x = 1,126,336,831,422.47/1,215,369.51
  6. Step 6: Final answer
    x = 926,744.35

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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.