Home / 1,388,412.02-2,080,240.59-757,768.34

Finding the Fourth Proportional to 1,388,412.02, 2,080,240.59 and 757,768.34

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Solution

The fourth proportional to 1,388,412.02, 2,080,240.59 and 757,768.34 is: 1,135,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,412.02 : 2,080,240.59 = 757,768.34 : x
  2. Step 2: Convert to fraction form
    1,388,412.02/2,080,240.59 = 757,768.34/x
  3. Step 3: Cross multiply
    1,388,412.02x = 2,080,240.59 × 757,768.34
  4. Step 4: Simplify right side
    1,388,412.02x = 1,576,340,458,684.92
  5. Step 5: Solve for x
    x = 1,576,340,458,684.92/1,388,412.02
  6. Step 6: Final answer
    x = 1,135,354.95

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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.