Home / 1,389,453.06-2,083,090.80-548,634.18

Finding the Fourth Proportional to 1,389,453.06, 2,083,090.80 and 548,634.18

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Solution

The fourth proportional to 1,389,453.06, 2,083,090.80 and 548,634.18 is: 822,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,453.06 : 2,083,090.80 = 548,634.18 : x
  2. Step 2: Convert to fraction form
    1,389,453.06/2,083,090.80 = 548,634.18/x
  3. Step 3: Cross multiply
    1,389,453.06x = 2,083,090.80 × 548,634.18
  4. Step 4: Simplify right side
    1,389,453.06x = 1,142,854,812,923.54
  5. Step 5: Solve for x
    x = 1,142,854,812,923.54/1,389,453.06
  6. Step 6: Final answer
    x = 822,521.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.