Home / 1,331,928.96-1,838,065.56-848,390.64

Finding the Fourth Proportional to 1,331,928.96, 1,838,065.56 and 848,390.64

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Solution

The fourth proportional to 1,331,928.96, 1,838,065.56 and 848,390.64 is: 1,170,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,928.96 : 1,838,065.56 = 848,390.64 : x
  2. Step 2: Convert to fraction form
    1,331,928.96/1,838,065.56 = 848,390.64/x
  3. Step 3: Cross multiply
    1,331,928.96x = 1,838,065.56 × 848,390.64
  4. Step 4: Simplify right side
    1,331,928.96x = 1,559,397,616,810.36
  5. Step 5: Solve for x
    x = 1,559,397,616,810.36/1,331,928.96
  6. Step 6: Final answer
    x = 1,170,781.37

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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.