Home / 1,401,416.60-2,100,812.70-1,097,642.30

Finding the Fourth Proportional to 1,401,416.60, 2,100,812.70 and 1,097,642.30

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Solution

The fourth proportional to 1,401,416.60, 2,100,812.70 and 1,097,642.30 is: 1,645,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,416.60 : 2,100,812.70 = 1,097,642.30 : x
  2. Step 2: Convert to fraction form
    1,401,416.60/2,100,812.70 = 1,097,642.30/x
  3. Step 3: Cross multiply
    1,401,416.60x = 2,100,812.70 × 1,097,642.30
  4. Step 4: Simplify right side
    1,401,416.60x = 2,305,940,883,897.21
  5. Step 5: Solve for x
    x = 2,305,940,883,897.21/1,401,416.60
  6. Step 6: Final answer
    x = 1,645,435.69

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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.