Home / 1,112,767.99-1,668,918.41-313,862.69

Finding the Fourth Proportional to 1,112,767.99, 1,668,918.41 and 313,862.69

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Solution

The fourth proportional to 1,112,767.99, 1,668,918.41 and 313,862.69 is: 470,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,767.99 : 1,668,918.41 = 313,862.69 : x
  2. Step 2: Convert to fraction form
    1,112,767.99/1,668,918.41 = 313,862.69/x
  3. Step 3: Cross multiply
    1,112,767.99x = 1,668,918.41 × 313,862.69
  4. Step 4: Simplify right side
    1,112,767.99x = 523,811,225,333.09
  5. Step 5: Solve for x
    x = 523,811,225,333.09/1,112,767.99
  6. Step 6: Final answer
    x = 470,728.16

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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.