Home / 1,389,164.42-2,083,827.36-536,240.90

Finding the Fourth Proportional to 1,389,164.42, 2,083,827.36 and 536,240.90

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Solution

The fourth proportional to 1,389,164.42, 2,083,827.36 and 536,240.90 is: 804,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,164.42 : 2,083,827.36 = 536,240.90 : x
  2. Step 2: Convert to fraction form
    1,389,164.42/2,083,827.36 = 536,240.90/x
  3. Step 3: Cross multiply
    1,389,164.42x = 2,083,827.36 × 536,240.90
  4. Step 4: Simplify right side
    1,389,164.42x = 1,117,433,458,971.02
  5. Step 5: Solve for x
    x = 1,117,433,458,971.02/1,389,164.42
  6. Step 6: Final answer
    x = 804,392.51

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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.