Home / 1,530,252.60-2,295,378.90-821,664.60

Finding the Fourth Proportional to 1,530,252.60, 2,295,378.90 and 821,664.60

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Solution

The fourth proportional to 1,530,252.60, 2,295,378.90 and 821,664.60 is: 1,232,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,252.60 : 2,295,378.90 = 821,664.60 : x
  2. Step 2: Convert to fraction form
    1,530,252.60/2,295,378.90 = 821,664.60/x
  3. Step 3: Cross multiply
    1,530,252.60x = 2,295,378.90 × 821,664.60
  4. Step 4: Simplify right side
    1,530,252.60x = 1,886,031,585,716.94
  5. Step 5: Solve for x
    x = 1,886,031,585,716.94/1,530,252.60
  6. Step 6: Final answer
    x = 1,232,496.90

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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.