Home / 1,307,635.12-1,961,449.79-348,090.94

Finding the Fourth Proportional to 1,307,635.12, 1,961,449.79 and 348,090.94

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Solution

The fourth proportional to 1,307,635.12, 1,961,449.79 and 348,090.94 is: 522,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,635.12 : 1,961,449.79 = 348,090.94 : x
  2. Step 2: Convert to fraction form
    1,307,635.12/1,961,449.79 = 348,090.94/x
  3. Step 3: Cross multiply
    1,307,635.12x = 1,961,449.79 × 348,090.94
  4. Step 4: Simplify right side
    1,307,635.12x = 682,762,891,356.65
  5. Step 5: Solve for x
    x = 682,762,891,356.65/1,307,635.12
  6. Step 6: Final answer
    x = 522,135.64

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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.