Home / 1,120,830.46-1,681,121.09-401,143.09

Finding the Fourth Proportional to 1,120,830.46, 1,681,121.09 and 401,143.09

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Solution

The fourth proportional to 1,120,830.46, 1,681,121.09 and 401,143.09 is: 601,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,830.46 : 1,681,121.09 = 401,143.09 : x
  2. Step 2: Convert to fraction form
    1,120,830.46/1,681,121.09 = 401,143.09/x
  3. Step 3: Cross multiply
    1,120,830.46x = 1,681,121.09 × 401,143.09
  4. Step 4: Simplify right side
    1,120,830.46x = 674,370,108,706.77
  5. Step 5: Solve for x
    x = 674,370,108,706.77/1,120,830.46
  6. Step 6: Final answer
    x = 601,670.04

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1.5x scale

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.