Home / 1,048,071.12-1,447,436.07-722,231.34

Finding the Fourth Proportional to 1,048,071.12, 1,447,436.07 and 722,231.34

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Solution

The fourth proportional to 1,048,071.12, 1,447,436.07 and 722,231.34 is: 997,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,071.12 : 1,447,436.07 = 722,231.34 : x
  2. Step 2: Convert to fraction form
    1,048,071.12/1,447,436.07 = 722,231.34/x
  3. Step 3: Cross multiply
    1,048,071.12x = 1,447,436.07 × 722,231.34
  4. Step 4: Simplify right side
    1,048,071.12x = 1,045,383,692,400.43
  5. Step 5: Solve for x
    x = 1,045,383,692,400.43/1,048,071.12
  6. Step 6: Final answer
    x = 997,435.83

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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.