Home / 1,089,871-1,635,069-341,917

Finding the Fourth Proportional to 1,089,871, 1,635,069 and 341,917

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Solution

The fourth proportional to 1,089,871, 1,635,069 and 341,917 is: 512,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,871 : 1,635,069 = 341,917 : x
  2. Step 2: Convert to fraction form
    1,089,871/1,635,069 = 341,917/x
  3. Step 3: Cross multiply
    1,089,871x = 1,635,069 × 341,917
  4. Step 4: Simplify right side
    1,089,871x = 559,057,887,273
  5. Step 5: Solve for x
    x = 559,057,887,273/1,089,871
  6. Step 6: Final answer
    x = 512,957.85

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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.