Home / 862,376.40-1,293,564.60-848,379.60

Finding the Fourth Proportional to 862,376.40, 1,293,564.60 and 848,379.60

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Solution

The fourth proportional to 862,376.40, 1,293,564.60 and 848,379.60 is: 1,272,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,376.40 : 1,293,564.60 = 848,379.60 : x
  2. Step 2: Convert to fraction form
    862,376.40/1,293,564.60 = 848,379.60/x
  3. Step 3: Cross multiply
    862,376.40x = 1,293,564.60 × 848,379.60
  4. Step 4: Simplify right side
    862,376.40x = 1,097,433,817,922.16
  5. Step 5: Solve for x
    x = 1,097,433,817,922.16/862,376.40
  6. Step 6: Final answer
    x = 1,272,569.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.