Home / 1,644,364.48-2,269,588.80-999,648

Finding the Fourth Proportional to 1,644,364.48, 2,269,588.80 and 999,648

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Solution

The fourth proportional to 1,644,364.48, 2,269,588.80 and 999,648 is: 1,379,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,364.48 : 2,269,588.80 = 999,648 : x
  2. Step 2: Convert to fraction form
    1,644,364.48/2,269,588.80 = 999,648/x
  3. Step 3: Cross multiply
    1,644,364.48x = 2,269,588.80 × 999,648
  4. Step 4: Simplify right side
    1,644,364.48x = 2,268,789,904,742.40
  5. Step 5: Solve for x
    x = 2,268,789,904,742.40/1,644,364.48
  6. Step 6: Final answer
    x = 1,379,736.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.