Home / 1,457,144.22-2,012,427.36-1,109,269.02

Finding the Fourth Proportional to 1,457,144.22, 2,012,427.36 and 1,109,269.02

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Solution

The fourth proportional to 1,457,144.22, 2,012,427.36 and 1,109,269.02 is: 1,531,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,144.22 : 2,012,427.36 = 1,109,269.02 : x
  2. Step 2: Convert to fraction form
    1,457,144.22/2,012,427.36 = 1,109,269.02/x
  3. Step 3: Cross multiply
    1,457,144.22x = 2,012,427.36 × 1,109,269.02
  4. Step 4: Simplify right side
    1,457,144.22x = 2,232,323,325,448.39
  5. Step 5: Solve for x
    x = 2,232,323,325,448.39/1,457,144.22
  6. Step 6: Final answer
    x = 1,531,985.16

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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.