Home / 1,080,860.86-1,621,375.53-631,628.38

Finding the Fourth Proportional to 1,080,860.86, 1,621,375.53 and 631,628.38

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Solution

The fourth proportional to 1,080,860.86, 1,621,375.53 and 631,628.38 is: 947,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,860.86 : 1,621,375.53 = 631,628.38 : x
  2. Step 2: Convert to fraction form
    1,080,860.86/1,621,375.53 = 631,628.38/x
  3. Step 3: Cross multiply
    1,080,860.86x = 1,621,375.53 × 631,628.38
  4. Step 4: Simplify right side
    1,080,860.86x = 1,024,106,799,385.54
  5. Step 5: Solve for x
    x = 1,024,106,799,385.54/1,080,860.86
  6. Step 6: Final answer
    x = 947,491.80

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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.