Home / 865,500.90-1,298,251.35-824,166.60

Finding the Fourth Proportional to 865,500.90, 1,298,251.35 and 824,166.60

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Solution

The fourth proportional to 865,500.90, 1,298,251.35 and 824,166.60 is: 1,236,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,500.90 : 1,298,251.35 = 824,166.60 : x
  2. Step 2: Convert to fraction form
    865,500.90/1,298,251.35 = 824,166.60/x
  3. Step 3: Cross multiply
    865,500.90x = 1,298,251.35 × 824,166.60
  4. Step 4: Simplify right side
    865,500.90x = 1,069,975,401,074.91
  5. Step 5: Solve for x
    x = 1,069,975,401,074.91/865,500.90
  6. Step 6: Final answer
    x = 1,236,249.90

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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.