Home / 1,265,071.03-1,745,817.70-692,120.77

Finding the Fourth Proportional to 1,265,071.03, 1,745,817.70 and 692,120.77

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Solution

The fourth proportional to 1,265,071.03, 1,745,817.70 and 692,120.77 is: 955,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,071.03 : 1,745,817.70 = 692,120.77 : x
  2. Step 2: Convert to fraction form
    1,265,071.03/1,745,817.70 = 692,120.77/x
  3. Step 3: Cross multiply
    1,265,071.03x = 1,745,817.70 × 692,120.77
  4. Step 4: Simplify right side
    1,265,071.03x = 1,208,316,682,074.54
  5. Step 5: Solve for x
    x = 1,208,316,682,074.54/1,265,071.03
  6. Step 6: Final answer
    x = 955,137.43

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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.