Home / 1,457,142.22-2,012,424.60-1,109,267.02

Finding the Fourth Proportional to 1,457,142.22, 2,012,424.60 and 1,109,267.02

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Solution

The fourth proportional to 1,457,142.22, 2,012,424.60 and 1,109,267.02 is: 1,531,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,142.22 : 2,012,424.60 = 1,109,267.02 : x
  2. Step 2: Convert to fraction form
    1,457,142.22/2,012,424.60 = 1,109,267.02/x
  3. Step 3: Cross multiply
    1,457,142.22x = 2,012,424.60 × 1,109,267.02
  4. Step 4: Simplify right side
    1,457,142.22x = 2,232,316,239,016.69
  5. Step 5: Solve for x
    x = 2,232,316,239,016.69/1,457,142.22
  6. Step 6: Final answer
    x = 1,531,982.40

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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.