Home / 1,310,538.36-1,807,849.26-901,930.80

Finding the Fourth Proportional to 1,310,538.36, 1,807,849.26 and 901,930.80

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Solution

The fourth proportional to 1,310,538.36, 1,807,849.26 and 901,930.80 is: 1,244,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,538.36 : 1,807,849.26 = 901,930.80 : x
  2. Step 2: Convert to fraction form
    1,310,538.36/1,807,849.26 = 901,930.80/x
  3. Step 3: Cross multiply
    1,310,538.36x = 1,807,849.26 × 901,930.80
  4. Step 4: Simplify right side
    1,310,538.36x = 1,630,554,929,351.21
  5. Step 5: Solve for x
    x = 1,630,554,929,351.21/1,310,538.36
  6. Step 6: Final answer
    x = 1,244,187.11

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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.