Home / 1,368,626.82-2,052,808.29-421,743.30

Finding the Fourth Proportional to 1,368,626.82, 2,052,808.29 and 421,743.30

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Solution

The fourth proportional to 1,368,626.82, 2,052,808.29 and 421,743.30 is: 632,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,626.82 : 2,052,808.29 = 421,743.30 : x
  2. Step 2: Convert to fraction form
    1,368,626.82/2,052,808.29 = 421,743.30/x
  3. Step 3: Cross multiply
    1,368,626.82x = 2,052,808.29 × 421,743.30
  4. Step 4: Simplify right side
    1,368,626.82x = 865,758,142,491.96
  5. Step 5: Solve for x
    x = 865,758,142,491.96/1,368,626.82
  6. Step 6: Final answer
    x = 632,574.29

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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.