Home / 1,389,619.43-2,084,597.27-490,877.25

Finding the Fourth Proportional to 1,389,619.43, 2,084,597.27 and 490,877.25

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Solution

The fourth proportional to 1,389,619.43, 2,084,597.27 and 490,877.25 is: 736,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,619.43 : 2,084,597.27 = 490,877.25 : x
  2. Step 2: Convert to fraction form
    1,389,619.43/2,084,597.27 = 490,877.25/x
  3. Step 3: Cross multiply
    1,389,619.43x = 2,084,597.27 × 490,877.25
  4. Step 4: Simplify right side
    1,389,619.43x = 1,023,281,362,377.73
  5. Step 5: Solve for x
    x = 1,023,281,362,377.73/1,389,619.43
  6. Step 6: Final answer
    x = 736,375.26

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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.