Home / 1,087,072.36-1,500,109.74-603,668.40

Finding the Fourth Proportional to 1,087,072.36, 1,500,109.74 and 603,668.40

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Solution

The fourth proportional to 1,087,072.36, 1,500,109.74 and 603,668.40 is: 833,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,072.36 : 1,500,109.74 = 603,668.40 : x
  2. Step 2: Convert to fraction form
    1,087,072.36/1,500,109.74 = 603,668.40/x
  3. Step 3: Cross multiply
    1,087,072.36x = 1,500,109.74 × 603,668.40
  4. Step 4: Simplify right side
    1,087,072.36x = 905,568,846,570.22
  5. Step 5: Solve for x
    x = 905,568,846,570.22/1,087,072.36
  6. Step 6: Final answer
    x = 833,034.56

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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.