Home / 1,448,905.40-2,175,431.70-819,049.40

Finding the Fourth Proportional to 1,448,905.40, 2,175,431.70 and 819,049.40

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Solution

The fourth proportional to 1,448,905.40, 2,175,431.70 and 819,049.40 is: 1,229,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,905.40 : 2,175,431.70 = 819,049.40 : x
  2. Step 2: Convert to fraction form
    1,448,905.40/2,175,431.70 = 819,049.40/x
  3. Step 3: Cross multiply
    1,448,905.40x = 2,175,431.70 × 819,049.40
  4. Step 4: Simplify right side
    1,448,905.40x = 1,781,786,028,625.98
  5. Step 5: Solve for x
    x = 1,781,786,028,625.98/1,448,905.40
  6. Step 6: Final answer
    x = 1,229,746.28

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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.