Home / 1,421,662.13-2,132,866.60-510,936.50

Finding the Fourth Proportional to 1,421,662.13, 2,132,866.60 and 510,936.50

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Solution

The fourth proportional to 1,421,662.13, 2,132,866.60 and 510,936.50 is: 766,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,662.13 : 2,132,866.60 = 510,936.50 : x
  2. Step 2: Convert to fraction form
    1,421,662.13/2,132,866.60 = 510,936.50/x
  3. Step 3: Cross multiply
    1,421,662.13x = 2,132,866.60 × 510,936.50
  4. Step 4: Simplify right side
    1,421,662.13x = 1,089,759,399,625.73
  5. Step 5: Solve for x
    x = 1,089,759,399,625.73/1,421,662.13
  6. Step 6: Final answer
    x = 766,538.95

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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.