Home / 1,097,148.20-1,645,722.30-1,081,401.80

Finding the Fourth Proportional to 1,097,148.20, 1,645,722.30 and 1,081,401.80

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Solution

The fourth proportional to 1,097,148.20, 1,645,722.30 and 1,081,401.80 is: 1,622,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,148.20 : 1,645,722.30 = 1,081,401.80 : x
  2. Step 2: Convert to fraction form
    1,097,148.20/1,645,722.30 = 1,081,401.80/x
  3. Step 3: Cross multiply
    1,097,148.20x = 1,645,722.30 × 1,081,401.80
  4. Step 4: Simplify right side
    1,097,148.20x = 1,779,687,057,520.14
  5. Step 5: Solve for x
    x = 1,779,687,057,520.14/1,097,148.20
  6. Step 6: Final answer
    x = 1,622,102.70

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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.