Home / 1,645,845.20-2,467,212.60-972,443.60

Finding the Fourth Proportional to 1,645,845.20, 2,467,212.60 and 972,443.60

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Solution

The fourth proportional to 1,645,845.20, 2,467,212.60 and 972,443.60 is: 1,457,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,845.20 : 2,467,212.60 = 972,443.60 : x
  2. Step 2: Convert to fraction form
    1,645,845.20/2,467,212.60 = 972,443.60/x
  3. Step 3: Cross multiply
    1,645,845.20x = 2,467,212.60 × 972,443.60
  4. Step 4: Simplify right side
    1,645,845.20x = 2,399,225,102,709.36
  5. Step 5: Solve for x
    x = 2,399,225,102,709.36/1,645,845.20
  6. Step 6: Final answer
    x = 1,457,746.51

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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.