Home / 1,202,875.50-1,659,968.22-666,331.50

Finding the Fourth Proportional to 1,202,875.50, 1,659,968.22 and 666,331.50

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Solution

The fourth proportional to 1,202,875.50, 1,659,968.22 and 666,331.50 is: 919,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,875.50 : 1,659,968.22 = 666,331.50 : x
  2. Step 2: Convert to fraction form
    1,202,875.50/1,659,968.22 = 666,331.50/x
  3. Step 3: Cross multiply
    1,202,875.50x = 1,659,968.22 × 666,331.50
  4. Step 4: Simplify right side
    1,202,875.50x = 1,106,089,113,984.93
  5. Step 5: Solve for x
    x = 1,106,089,113,984.93/1,202,875.50
  6. Step 6: Final answer
    x = 919,537.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.