Home / 1,450,371.78-2,001,395.73-838,563.80

Finding the Fourth Proportional to 1,450,371.78, 2,001,395.73 and 838,563.80

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Solution

The fourth proportional to 1,450,371.78, 2,001,395.73 and 838,563.80 is: 1,157,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,371.78 : 2,001,395.73 = 838,563.80 : x
  2. Step 2: Convert to fraction form
    1,450,371.78/2,001,395.73 = 838,563.80/x
  3. Step 3: Cross multiply
    1,450,371.78x = 2,001,395.73 × 838,563.80
  4. Step 4: Simplify right side
    1,450,371.78x = 1,678,298,008,652.57
  5. Step 5: Solve for x
    x = 1,678,298,008,652.57/1,450,371.78
  6. Step 6: Final answer
    x = 1,157,150.21

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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.