Home / 1,405,668.59-2,108,708.97-445,804.07

Finding the Fourth Proportional to 1,405,668.59, 2,108,708.97 and 445,804.07

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Solution

The fourth proportional to 1,405,668.59, 2,108,708.97 and 445,804.07 is: 668,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,668.59 : 2,108,708.97 = 445,804.07 : x
  2. Step 2: Convert to fraction form
    1,405,668.59/2,108,708.97 = 445,804.07/x
  3. Step 3: Cross multiply
    1,405,668.59x = 2,108,708.97 × 445,804.07
  4. Step 4: Simplify right side
    1,405,668.59x = 940,071,041,271.51
  5. Step 5: Solve for x
    x = 940,071,041,271.51/1,405,668.59
  6. Step 6: Final answer
    x = 668,771.46

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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.