Home / 1,820,621.92-2,731,285.20-698,603.68

Finding the Fourth Proportional to 1,820,621.92, 2,731,285.20 and 698,603.68

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Solution

The fourth proportional to 1,820,621.92, 2,731,285.20 and 698,603.68 is: 1,048,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,621.92 : 2,731,285.20 = 698,603.68 : x
  2. Step 2: Convert to fraction form
    1,820,621.92/2,731,285.20 = 698,603.68/x
  3. Step 3: Cross multiply
    1,820,621.92x = 2,731,285.20 × 698,603.68
  4. Step 4: Simplify right side
    1,820,621.92x = 1,908,085,891,849.54
  5. Step 5: Solve for x
    x = 1,908,085,891,849.54/1,820,621.92
  6. Step 6: Final answer
    x = 1,048,040.71

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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.