Home / 1,658,968.90-2,289,750.30-1,085,676.82

Finding the Fourth Proportional to 1,658,968.90, 2,289,750.30 and 1,085,676.82

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Solution

The fourth proportional to 1,658,968.90, 2,289,750.30 and 1,085,676.82 is: 1,498,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,968.90 : 2,289,750.30 = 1,085,676.82 : x
  2. Step 2: Convert to fraction form
    1,658,968.90/2,289,750.30 = 1,085,676.82/x
  3. Step 3: Cross multiply
    1,658,968.90x = 2,289,750.30 × 1,085,676.82
  4. Step 4: Simplify right side
    1,658,968.90x = 2,485,928,824,298.05
  5. Step 5: Solve for x
    x = 2,485,928,824,298.05/1,658,968.90
  6. Step 6: Final answer
    x = 1,498,478.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.