Home / 1,190,483.28-1,642,878.99-646,629.71

Finding the Fourth Proportional to 1,190,483.28, 1,642,878.99 and 646,629.71

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Solution

The fourth proportional to 1,190,483.28, 1,642,878.99 and 646,629.71 is: 892,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,483.28 : 1,642,878.99 = 646,629.71 : x
  2. Step 2: Convert to fraction form
    1,190,483.28/1,642,878.99 = 646,629.71/x
  3. Step 3: Cross multiply
    1,190,483.28x = 1,642,878.99 × 646,629.71
  4. Step 4: Simplify right side
    1,190,483.28x = 1,062,334,356,654.40
  5. Step 5: Solve for x
    x = 1,062,334,356,654.40/1,190,483.28
  6. Step 6: Final answer
    x = 892,355.55

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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.