Home / 1,093,619.70-1,640,429.55-668,466.90

Finding the Fourth Proportional to 1,093,619.70, 1,640,429.55 and 668,466.90

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Solution

The fourth proportional to 1,093,619.70, 1,640,429.55 and 668,466.90 is: 1,002,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,619.70 : 1,640,429.55 = 668,466.90 : x
  2. Step 2: Convert to fraction form
    1,093,619.70/1,640,429.55 = 668,466.90/x
  3. Step 3: Cross multiply
    1,093,619.70x = 1,640,429.55 × 668,466.90
  4. Step 4: Simplify right side
    1,093,619.70x = 1,096,572,855,956.90
  5. Step 5: Solve for x
    x = 1,096,572,855,956.90/1,093,619.70
  6. Step 6: Final answer
    x = 1,002,700.35

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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.