Home / 1,120,834.80-1,681,127.58-401,147.38

Finding the Fourth Proportional to 1,120,834.80, 1,681,127.58 and 401,147.38

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Solution

The fourth proportional to 1,120,834.80, 1,681,127.58 and 401,147.38 is: 601,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,834.80 : 1,681,127.58 = 401,147.38 : x
  2. Step 2: Convert to fraction form
    1,120,834.80/1,681,127.58 = 401,147.38/x
  3. Step 3: Cross multiply
    1,120,834.80x = 1,681,127.58 × 401,147.38
  4. Step 4: Simplify right side
    1,120,834.80x = 674,379,924,162.74
  5. Step 5: Solve for x
    x = 674,379,924,162.74/1,120,834.80
  6. Step 6: Final answer
    x = 601,676.47

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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.