Home / 862,340.40-1,293,510.60-848,343.60

Finding the Fourth Proportional to 862,340.40, 1,293,510.60 and 848,343.60

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Solution

The fourth proportional to 862,340.40, 1,293,510.60 and 848,343.60 is: 1,272,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,340.40 : 1,293,510.60 = 848,343.60 : x
  2. Step 2: Convert to fraction form
    862,340.40/1,293,510.60 = 848,343.60/x
  3. Step 3: Cross multiply
    862,340.40x = 1,293,510.60 × 848,343.60
  4. Step 4: Simplify right side
    862,340.40x = 1,097,341,439,042.16
  5. Step 5: Solve for x
    x = 1,097,341,439,042.16/862,340.40
  6. Step 6: Final answer
    x = 1,272,515.40

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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.