Home / 1,230,802.40-1,846,203.60-1,214,213.60

Finding the Fourth Proportional to 1,230,802.40, 1,846,203.60 and 1,214,213.60

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Solution

The fourth proportional to 1,230,802.40, 1,846,203.60 and 1,214,213.60 is: 1,821,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,802.40 : 1,846,203.60 = 1,214,213.60 : x
  2. Step 2: Convert to fraction form
    1,230,802.40/1,846,203.60 = 1,214,213.60/x
  3. Step 3: Cross multiply
    1,230,802.40x = 1,846,203.60 × 1,214,213.60
  4. Step 4: Simplify right side
    1,230,802.40x = 2,241,685,519,488.96
  5. Step 5: Solve for x
    x = 2,241,685,519,488.96/1,230,802.40
  6. Step 6: Final answer
    x = 1,821,320.40

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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.