Home / 1,267,774.23-1,749,525.03-687,013.47

Finding the Fourth Proportional to 1,267,774.23, 1,749,525.03 and 687,013.47

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Solution

The fourth proportional to 1,267,774.23, 1,749,525.03 and 687,013.47 is: 948,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,774.23 : 1,749,525.03 = 687,013.47 : x
  2. Step 2: Convert to fraction form
    1,267,774.23/1,749,525.03 = 687,013.47/x
  3. Step 3: Cross multiply
    1,267,774.23x = 1,749,525.03 × 687,013.47
  4. Step 4: Simplify right side
    1,267,774.23x = 1,201,947,261,712.15
  5. Step 5: Solve for x
    x = 1,201,947,261,712.15/1,267,774.23
  6. Step 6: Final answer
    x = 948,076.74

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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.