Home / 1,321,204.40-1,823,285.96-748,363.12

Finding the Fourth Proportional to 1,321,204.40, 1,823,285.96 and 748,363.12

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Solution

The fourth proportional to 1,321,204.40, 1,823,285.96 and 748,363.12 is: 1,032,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,204.40 : 1,823,285.96 = 748,363.12 : x
  2. Step 2: Convert to fraction form
    1,321,204.40/1,823,285.96 = 748,363.12/x
  3. Step 3: Cross multiply
    1,321,204.40x = 1,823,285.96 × 748,363.12
  4. Step 4: Simplify right side
    1,321,204.40x = 1,364,479,969,677.80
  5. Step 5: Solve for x
    x = 1,364,479,969,677.80/1,321,204.40
  6. Step 6: Final answer
    x = 1,032,754.64

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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.