Home / 828,740.55-1,243,110.83-793,311.15

Finding the Fourth Proportional to 828,740.55, 1,243,110.83 and 793,311.15

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Solution

The fourth proportional to 828,740.55, 1,243,110.83 and 793,311.15 is: 1,189,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,740.55 : 1,243,110.83 = 793,311.15 : x
  2. Step 2: Convert to fraction form
    828,740.55/1,243,110.83 = 793,311.15/x
  3. Step 3: Cross multiply
    828,740.55x = 1,243,110.83 × 793,311.15
  4. Step 4: Simplify right side
    828,740.55x = 986,173,678,158.20
  5. Step 5: Solve for x
    x = 986,173,678,158.20/828,740.55
  6. Step 6: Final answer
    x = 1,189,966.73

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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.