Home / 1,178,614.40-1,626,499.24-669,320.42

Finding the Fourth Proportional to 1,178,614.40, 1,626,499.24 and 669,320.42

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Solution

The fourth proportional to 1,178,614.40, 1,626,499.24 and 669,320.42 is: 923,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,614.40 : 1,626,499.24 = 669,320.42 : x
  2. Step 2: Convert to fraction form
    1,178,614.40/1,626,499.24 = 669,320.42/x
  3. Step 3: Cross multiply
    1,178,614.40x = 1,626,499.24 × 669,320.42
  4. Step 4: Simplify right side
    1,178,614.40x = 1,088,649,144,640.68
  5. Step 5: Solve for x
    x = 1,088,649,144,640.68/1,178,614.40
  6. Step 6: Final answer
    x = 923,668.63

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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.