Home / 851,007.60-1,276,511.40-698,792.40

Finding the Fourth Proportional to 851,007.60, 1,276,511.40 and 698,792.40

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Solution

The fourth proportional to 851,007.60, 1,276,511.40 and 698,792.40 is: 1,048,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,007.60 : 1,276,511.40 = 698,792.40 : x
  2. Step 2: Convert to fraction form
    851,007.60/1,276,511.40 = 698,792.40/x
  3. Step 3: Cross multiply
    851,007.60x = 1,276,511.40 × 698,792.40
  4. Step 4: Simplify right side
    851,007.60x = 892,016,464,833.36
  5. Step 5: Solve for x
    x = 892,016,464,833.36/851,007.60
  6. Step 6: Final answer
    x = 1,048,188.60

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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.