Home / 1,388,347.76-2,081,996.04-756,917.84

Finding the Fourth Proportional to 1,388,347.76, 2,081,996.04 and 756,917.84

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Solution

The fourth proportional to 1,388,347.76, 2,081,996.04 and 756,917.84 is: 1,135,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,347.76 : 2,081,996.04 = 756,917.84 : x
  2. Step 2: Convert to fraction form
    1,388,347.76/2,081,996.04 = 756,917.84/x
  3. Step 3: Cross multiply
    1,388,347.76x = 2,081,996.04 × 756,917.84
  4. Step 4: Simplify right side
    1,388,347.76x = 1,575,899,945,485.35
  5. Step 5: Solve for x
    x = 1,575,899,945,485.35/1,388,347.76
  6. Step 6: Final answer
    x = 1,135,090.21

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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.