Home / 1,338,081.21-2,004,278.67-906,061.23

Finding the Fourth Proportional to 1,338,081.21, 2,004,278.67 and 906,061.23

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Solution

The fourth proportional to 1,338,081.21, 2,004,278.67 and 906,061.23 is: 1,357,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,081.21 : 2,004,278.67 = 906,061.23 : x
  2. Step 2: Convert to fraction form
    1,338,081.21/2,004,278.67 = 906,061.23/x
  3. Step 3: Cross multiply
    1,338,081.21x = 2,004,278.67 × 906,061.23
  4. Step 4: Simplify right side
    1,338,081.21x = 1,815,999,197,002.96
  5. Step 5: Solve for x
    x = 1,815,999,197,002.96/1,338,081.21
  6. Step 6: Final answer
    x = 1,357,166.65

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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.