Home / 1,105,942.57-1,525,835.77-901,642.26

Finding the Fourth Proportional to 1,105,942.57, 1,525,835.77 and 901,642.26

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Solution

The fourth proportional to 1,105,942.57, 1,525,835.77 and 901,642.26 is: 1,243,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,942.57 : 1,525,835.77 = 901,642.26 : x
  2. Step 2: Convert to fraction form
    1,105,942.57/1,525,835.77 = 901,642.26/x
  3. Step 3: Cross multiply
    1,105,942.57x = 1,525,835.77 × 901,642.26
  4. Step 4: Simplify right side
    1,105,942.57x = 1,375,758,012,051.64
  5. Step 5: Solve for x
    x = 1,375,758,012,051.64/1,105,942.57
  6. Step 6: Final answer
    x = 1,243,968.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.