Home / 1,320,795-1,822,697.10-717,183

Finding the Fourth Proportional to 1,320,795, 1,822,697.10 and 717,183

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Solution

The fourth proportional to 1,320,795, 1,822,697.10 and 717,183 is: 989,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,795 : 1,822,697.10 = 717,183 : x
  2. Step 2: Convert to fraction form
    1,320,795/1,822,697.10 = 717,183/x
  3. Step 3: Cross multiply
    1,320,795x = 1,822,697.10 × 717,183
  4. Step 4: Simplify right side
    1,320,795x = 1,307,207,374,269.30
  5. Step 5: Solve for x
    x = 1,307,207,374,269.30/1,320,795
  6. Step 6: Final answer
    x = 989,712.54

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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.