Home / 1,112,226.03-1,668,437.45-313,514.67

Finding the Fourth Proportional to 1,112,226.03, 1,668,437.45 and 313,514.67

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Solution

The fourth proportional to 1,112,226.03, 1,668,437.45 and 313,514.67 is: 470,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,226.03 : 1,668,437.45 = 313,514.67 : x
  2. Step 2: Convert to fraction form
    1,112,226.03/1,668,437.45 = 313,514.67/x
  3. Step 3: Cross multiply
    1,112,226.03x = 1,668,437.45 × 313,514.67
  4. Step 4: Simplify right side
    1,112,226.03x = 523,079,614,984.82
  5. Step 5: Solve for x
    x = 523,079,614,984.82/1,112,226.03
  6. Step 6: Final answer
    x = 470,299.74

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Double scale
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1.5x scale

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.