Home / 1,113,558.30-1,670,206.26-876,968.64

Finding the Fourth Proportional to 1,113,558.30, 1,670,206.26 and 876,968.64

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Solution

The fourth proportional to 1,113,558.30, 1,670,206.26 and 876,968.64 is: 1,315,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,558.30 : 1,670,206.26 = 876,968.64 : x
  2. Step 2: Convert to fraction form
    1,113,558.30/1,670,206.26 = 876,968.64/x
  3. Step 3: Cross multiply
    1,113,558.30x = 1,670,206.26 × 876,968.64
  4. Step 4: Simplify right side
    1,113,558.30x = 1,464,718,512,351.69
  5. Step 5: Solve for x
    x = 1,464,718,512,351.69/1,113,558.30
  6. Step 6: Final answer
    x = 1,315,349.64

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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.