Home / 1,339,280.58-1,848,220.65-727,445.28

Finding the Fourth Proportional to 1,339,280.58, 1,848,220.65 and 727,445.28

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Solution

The fourth proportional to 1,339,280.58, 1,848,220.65 and 727,445.28 is: 1,003,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,280.58 : 1,848,220.65 = 727,445.28 : x
  2. Step 2: Convert to fraction form
    1,339,280.58/1,848,220.65 = 727,445.28/x
  3. Step 3: Cross multiply
    1,339,280.58x = 1,848,220.65 × 727,445.28
  4. Step 4: Simplify right side
    1,339,280.58x = 1,344,479,388,241.03
  5. Step 5: Solve for x
    x = 1,344,479,388,241.03/1,339,280.58
  6. Step 6: Final answer
    x = 1,003,881.79

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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.