Home / 1,389,459.04-2,083,099.80-548,640.16

Finding the Fourth Proportional to 1,389,459.04, 2,083,099.80 and 548,640.16

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Solution

The fourth proportional to 1,389,459.04, 2,083,099.80 and 548,640.16 is: 822,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,459.04 : 2,083,099.80 = 548,640.16 : x
  2. Step 2: Convert to fraction form
    1,389,459.04/2,083,099.80 = 548,640.16/x
  3. Step 3: Cross multiply
    1,389,459.04x = 2,083,099.80 × 548,640.16
  4. Step 4: Simplify right side
    1,389,459.04x = 1,142,872,207,567.97
  5. Step 5: Solve for x
    x = 1,142,872,207,567.97/1,389,459.04
  6. Step 6: Final answer
    x = 822,530.33

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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.