Home / 1,093,561.10-1,640,341.65-668,408.30

Finding the Fourth Proportional to 1,093,561.10, 1,640,341.65 and 668,408.30

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Solution

The fourth proportional to 1,093,561.10, 1,640,341.65 and 668,408.30 is: 1,002,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,561.10 : 1,640,341.65 = 668,408.30 : x
  2. Step 2: Convert to fraction form
    1,093,561.10/1,640,341.65 = 668,408.30/x
  3. Step 3: Cross multiply
    1,093,561.10x = 1,640,341.65 × 668,408.30
  4. Step 4: Simplify right side
    1,093,561.10x = 1,096,417,973,695.70
  5. Step 5: Solve for x
    x = 1,096,417,973,695.70/1,093,561.10
  6. Step 6: Final answer
    x = 1,002,612.45

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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.