Home / 1,626,361.93-2,439,662.73-428,275.96

Finding the Fourth Proportional to 1,626,361.93, 2,439,662.73 and 428,275.96

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Solution

The fourth proportional to 1,626,361.93, 2,439,662.73 and 428,275.96 is: 642,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,361.93 : 2,439,662.73 = 428,275.96 : x
  2. Step 2: Convert to fraction form
    1,626,361.93/2,439,662.73 = 428,275.96/x
  3. Step 3: Cross multiply
    1,626,361.93x = 2,439,662.73 × 428,275.96
  4. Step 4: Simplify right side
    1,626,361.93x = 1,044,848,897,766.97
  5. Step 5: Solve for x
    x = 1,044,848,897,766.97/1,626,361.93
  6. Step 6: Final answer
    x = 642,445.50

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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.