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Finding the Fourth Proportional to 2,905,856, 4,358,784 and 804,608

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Solution

The fourth proportional to 2,905,856, 4,358,784 and 804,608 is: 1,206,912

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,856 : 4,358,784 = 804,608 : x
  2. Step 2: Convert to fraction form
    2,905,856/4,358,784 = 804,608/x
  3. Step 3: Cross multiply
    2,905,856x = 4,358,784 × 804,608
  4. Step 4: Simplify right side
    2,905,856x = 3,507,112,476,672
  5. Step 5: Solve for x
    x = 3,507,112,476,672/2,905,856
  6. Step 6: Final answer
    x = 1,206,912

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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.