Home / 828,003.70-1,242,005.55-696,127.60

Finding the Fourth Proportional to 828,003.70, 1,242,005.55 and 696,127.60

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Solution

The fourth proportional to 828,003.70, 1,242,005.55 and 696,127.60 is: 1,044,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,003.70 : 1,242,005.55 = 696,127.60 : x
  2. Step 2: Convert to fraction form
    828,003.70/1,242,005.55 = 696,127.60/x
  3. Step 3: Cross multiply
    828,003.70x = 1,242,005.55 × 696,127.60
  4. Step 4: Simplify right side
    828,003.70x = 864,594,342,708.18
  5. Step 5: Solve for x
    x = 864,594,342,708.18/828,003.70
  6. Step 6: Final answer
    x = 1,044,191.40

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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.