Home / 1,321,983-1,982,969.64-375,353.82

Finding the Fourth Proportional to 1,321,983, 1,982,969.64 and 375,353.82

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Solution

The fourth proportional to 1,321,983, 1,982,969.64 and 375,353.82 is: 563,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,983 : 1,982,969.64 = 375,353.82 : x
  2. Step 2: Convert to fraction form
    1,321,983/1,982,969.64 = 375,353.82/x
  3. Step 3: Cross multiply
    1,321,983x = 1,982,969.64 × 375,353.82
  4. Step 4: Simplify right side
    1,321,983x = 744,315,229,318.03
  5. Step 5: Solve for x
    x = 744,315,229,318.03/1,321,983
  6. Step 6: Final answer
    x = 563,029.35

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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.