Home / 1,789,795.76-2,683,622.79-1,214,126.46

Finding the Fourth Proportional to 1,789,795.76, 2,683,622.79 and 1,214,126.46

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Solution

The fourth proportional to 1,789,795.76, 2,683,622.79 and 1,214,126.46 is: 1,820,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,795.76 : 2,683,622.79 = 1,214,126.46 : x
  2. Step 2: Convert to fraction form
    1,789,795.76/2,683,622.79 = 1,214,126.46/x
  3. Step 3: Cross multiply
    1,789,795.76x = 2,683,622.79 × 1,214,126.46
  4. Step 4: Simplify right side
    1,789,795.76x = 3,258,257,437,998.02
  5. Step 5: Solve for x
    x = 3,258,257,437,998.02/1,789,795.76
  6. Step 6: Final answer
    x = 1,820,463.27

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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.