Home / 1,670,336.10-2,305,069.92-906,389.64

Finding the Fourth Proportional to 1,670,336.10, 2,305,069.92 and 906,389.64

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Solution

The fourth proportional to 1,670,336.10, 2,305,069.92 and 906,389.64 is: 1,250,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,336.10 : 2,305,069.92 = 906,389.64 : x
  2. Step 2: Convert to fraction form
    1,670,336.10/2,305,069.92 = 906,389.64/x
  3. Step 3: Cross multiply
    1,670,336.10x = 2,305,069.92 × 906,389.64
  4. Step 4: Simplify right side
    1,670,336.10x = 2,089,291,494,963.63
  5. Step 5: Solve for x
    x = 2,089,291,494,963.63/1,670,336.10
  6. Step 6: Final answer
    x = 1,250,821.01

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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.