Home / 1,246,231.95-1,869,682.65-393,336.57

Finding the Fourth Proportional to 1,246,231.95, 1,869,682.65 and 393,336.57

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Solution

The fourth proportional to 1,246,231.95, 1,869,682.65 and 393,336.57 is: 590,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,231.95 : 1,869,682.65 = 393,336.57 : x
  2. Step 2: Convert to fraction form
    1,246,231.95/1,869,682.65 = 393,336.57/x
  3. Step 3: Cross multiply
    1,246,231.95x = 1,869,682.65 × 393,336.57
  4. Step 4: Simplify right side
    1,246,231.95x = 735,414,560,539.51
  5. Step 5: Solve for x
    x = 735,414,560,539.51/1,246,231.95
  6. Step 6: Final answer
    x = 590,110.50

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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.