Home / 1,213,491.48-1,674,606.84-669,631.92

Finding the Fourth Proportional to 1,213,491.48, 1,674,606.84 and 669,631.92

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Solution

The fourth proportional to 1,213,491.48, 1,674,606.84 and 669,631.92 is: 924,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,491.48 : 1,674,606.84 = 669,631.92 : x
  2. Step 2: Convert to fraction form
    1,213,491.48/1,674,606.84 = 669,631.92/x
  3. Step 3: Cross multiply
    1,213,491.48x = 1,674,606.84 × 669,631.92
  4. Step 4: Simplify right side
    1,213,491.48x = 1,121,370,193,514.33
  5. Step 5: Solve for x
    x = 1,121,370,193,514.33/1,213,491.48
  6. Step 6: Final answer
    x = 924,085.76

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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.