Home / 1,321,920.64-1,824,252.30-748,999.48

Finding the Fourth Proportional to 1,321,920.64, 1,824,252.30 and 748,999.48

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Solution

The fourth proportional to 1,321,920.64, 1,824,252.30 and 748,999.48 is: 1,033,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,920.64 : 1,824,252.30 = 748,999.48 : x
  2. Step 2: Convert to fraction form
    1,321,920.64/1,824,252.30 = 748,999.48/x
  3. Step 3: Cross multiply
    1,321,920.64x = 1,824,252.30 × 748,999.48
  4. Step 4: Simplify right side
    1,321,920.64x = 1,366,364,024,088.80
  5. Step 5: Solve for x
    x = 1,366,364,024,088.80/1,321,920.64
  6. Step 6: Final answer
    x = 1,033,620.31

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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.