Home / 1,321,045.20-1,823,083.20-748,072.80

Finding the Fourth Proportional to 1,321,045.20, 1,823,083.20 and 748,072.80

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Solution

The fourth proportional to 1,321,045.20, 1,823,083.20 and 748,072.80 is: 1,032,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,045.20 : 1,823,083.20 = 748,072.80 : x
  2. Step 2: Convert to fraction form
    1,321,045.20/1,823,083.20 = 748,072.80/x
  3. Step 3: Cross multiply
    1,321,045.20x = 1,823,083.20 × 748,072.80
  4. Step 4: Simplify right side
    1,321,045.20x = 1,363,798,954,056.96
  5. Step 5: Solve for x
    x = 1,363,798,954,056.96/1,321,045.20
  6. Step 6: Final answer
    x = 1,032,363.58

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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.