Home / 1,148,435.55-1,584,825.44-639,137.97

Finding the Fourth Proportional to 1,148,435.55, 1,584,825.44 and 639,137.97

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Solution

The fourth proportional to 1,148,435.55, 1,584,825.44 and 639,137.97 is: 882,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,435.55 : 1,584,825.44 = 639,137.97 : x
  2. Step 2: Convert to fraction form
    1,148,435.55/1,584,825.44 = 639,137.97/x
  3. Step 3: Cross multiply
    1,148,435.55x = 1,584,825.44 × 639,137.97
  4. Step 4: Simplify right side
    1,148,435.55x = 1,012,922,111,330.27
  5. Step 5: Solve for x
    x = 1,012,922,111,330.27/1,148,435.55
  6. Step 6: Final answer
    x = 882,001.70

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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.