Home / 1,265,073.90-1,745,821.67-692,123.64

Finding the Fourth Proportional to 1,265,073.90, 1,745,821.67 and 692,123.64

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Solution

The fourth proportional to 1,265,073.90, 1,745,821.67 and 692,123.64 is: 955,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,073.90 : 1,745,821.67 = 692,123.64 : x
  2. Step 2: Convert to fraction form
    1,265,073.90/1,745,821.67 = 692,123.64/x
  3. Step 3: Cross multiply
    1,265,073.90x = 1,745,821.67 × 692,123.64
  4. Step 4: Simplify right side
    1,265,073.90x = 1,208,324,445,570.66
  5. Step 5: Solve for x
    x = 1,208,324,445,570.66/1,265,073.90
  6. Step 6: Final answer
    x = 955,141.39

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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.