Home / 1,208,805.30-1,814,046.30-909,915.30

Finding the Fourth Proportional to 1,208,805.30, 1,814,046.30 and 909,915.30

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Solution

The fourth proportional to 1,208,805.30, 1,814,046.30 and 909,915.30 is: 1,365,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,805.30 : 1,814,046.30 = 909,915.30 : x
  2. Step 2: Convert to fraction form
    1,208,805.30/1,814,046.30 = 909,915.30/x
  3. Step 3: Cross multiply
    1,208,805.30x = 1,814,046.30 × 909,915.30
  4. Step 4: Simplify right side
    1,208,805.30x = 1,650,628,483,278.39
  5. Step 5: Solve for x
    x = 1,650,628,483,278.39/1,208,805.30
  6. Step 6: Final answer
    x = 1,365,504.01

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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.