Home / 1,284,466.58-1,926,970.41-485,730.44

Finding the Fourth Proportional to 1,284,466.58, 1,926,970.41 and 485,730.44

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Solution

The fourth proportional to 1,284,466.58, 1,926,970.41 and 485,730.44 is: 728,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,466.58 : 1,926,970.41 = 485,730.44 : x
  2. Step 2: Convert to fraction form
    1,284,466.58/1,926,970.41 = 485,730.44/x
  3. Step 3: Cross multiply
    1,284,466.58x = 1,926,970.41 × 485,730.44
  4. Step 4: Simplify right side
    1,284,466.58x = 935,988,181,796.82
  5. Step 5: Solve for x
    x = 935,988,181,796.82/1,284,466.58
  6. Step 6: Final answer
    x = 728,697.96

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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.