Home / 1,443,804.36-1,992,628.08-823,762.20

Finding the Fourth Proportional to 1,443,804.36, 1,992,628.08 and 823,762.20

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Solution

The fourth proportional to 1,443,804.36, 1,992,628.08 and 823,762.20 is: 1,136,893.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,804.36 : 1,992,628.08 = 823,762.20 : x
  2. Step 2: Convert to fraction form
    1,443,804.36/1,992,628.08 = 823,762.20/x
  3. Step 3: Cross multiply
    1,443,804.36x = 1,992,628.08 × 823,762.20
  4. Step 4: Simplify right side
    1,443,804.36x = 1,641,451,690,962.58
  5. Step 5: Solve for x
    x = 1,641,451,690,962.58/1,443,804.36
  6. Step 6: Final answer
    x = 1,136,893.43

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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.