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Finding the Fourth Proportional to 1,230,843, 1,697,224.30 and 800,324.76

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Solution

The fourth proportional to 1,230,843, 1,697,224.30 and 800,324.76 is: 1,103,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,843 : 1,697,224.30 = 800,324.76 : x
  2. Step 2: Convert to fraction form
    1,230,843/1,697,224.30 = 800,324.76/x
  3. Step 3: Cross multiply
    1,230,843x = 1,697,224.30 × 800,324.76
  4. Step 4: Simplify right side
    1,230,843x = 1,358,330,630,563.67
  5. Step 5: Solve for x
    x = 1,358,330,630,563.67/1,230,843
  6. Step 6: Final answer
    x = 1,103,577.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.