Home / 792,602.40-1,188,903.60-635,138.40

Finding the Fourth Proportional to 792,602.40, 1,188,903.60 and 635,138.40

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Solution

The fourth proportional to 792,602.40, 1,188,903.60 and 635,138.40 is: 952,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,602.40 : 1,188,903.60 = 635,138.40 : x
  2. Step 2: Convert to fraction form
    792,602.40/1,188,903.60 = 635,138.40/x
  3. Step 3: Cross multiply
    792,602.40x = 1,188,903.60 × 635,138.40
  4. Step 4: Simplify right side
    792,602.40x = 755,118,330,258.24
  5. Step 5: Solve for x
    x = 755,118,330,258.24/792,602.40
  6. Step 6: Final answer
    x = 952,707.60

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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.