Home / 1,820,621.30-2,731,284.26-698,603.06

Finding the Fourth Proportional to 1,820,621.30, 2,731,284.26 and 698,603.06

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Solution

The fourth proportional to 1,820,621.30, 2,731,284.26 and 698,603.06 is: 1,048,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,621.30 : 2,731,284.26 = 698,603.06 : x
  2. Step 2: Convert to fraction form
    1,820,621.30/2,731,284.26 = 698,603.06/x
  3. Step 3: Cross multiply
    1,820,621.30x = 2,731,284.26 × 698,603.06
  4. Step 4: Simplify right side
    1,820,621.30x = 1,908,083,529,855.92
  5. Step 5: Solve for x
    x = 1,908,083,529,855.92/1,820,621.30
  6. Step 6: Final answer
    x = 1,048,039.77

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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.