Home / 1,265,072.90-1,745,770.64-692,117.78

Finding the Fourth Proportional to 1,265,072.90, 1,745,770.64 and 692,117.78

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Solution

The fourth proportional to 1,265,072.90, 1,745,770.64 and 692,117.78 is: 955,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,072.90 : 1,745,770.64 = 692,117.78 : x
  2. Step 2: Convert to fraction form
    1,265,072.90/1,745,770.64 = 692,117.78/x
  3. Step 3: Cross multiply
    1,265,072.90x = 1,745,770.64 × 692,117.78
  4. Step 4: Simplify right side
    1,265,072.90x = 1,208,278,887,556.54
  5. Step 5: Solve for x
    x = 1,208,278,887,556.54/1,265,072.90
  6. Step 6: Final answer
    x = 955,106.14

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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.