Home / 810,002.90-1,215,004.35-798,193.10

Finding the Fourth Proportional to 810,002.90, 1,215,004.35 and 798,193.10

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Solution

The fourth proportional to 810,002.90, 1,215,004.35 and 798,193.10 is: 1,197,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,002.90 : 1,215,004.35 = 798,193.10 : x
  2. Step 2: Convert to fraction form
    810,002.90/1,215,004.35 = 798,193.10/x
  3. Step 3: Cross multiply
    810,002.90x = 1,215,004.35 × 798,193.10
  4. Step 4: Simplify right side
    810,002.90x = 969,808,088,639.99
  5. Step 5: Solve for x
    x = 969,808,088,639.99/810,002.90
  6. Step 6: Final answer
    x = 1,197,289.65

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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.