Home / 1,218,063.36-1,680,913.44-674,200.20

Finding the Fourth Proportional to 1,218,063.36, 1,680,913.44 and 674,200.20

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Solution

The fourth proportional to 1,218,063.36, 1,680,913.44 and 674,200.20 is: 930,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,063.36 : 1,680,913.44 = 674,200.20 : x
  2. Step 2: Convert to fraction form
    1,218,063.36/1,680,913.44 = 674,200.20/x
  3. Step 3: Cross multiply
    1,218,063.36x = 1,680,913.44 × 674,200.20
  4. Step 4: Simplify right side
    1,218,063.36x = 1,133,272,177,430.69
  5. Step 5: Solve for x
    x = 1,133,272,177,430.69/1,218,063.36
  6. Step 6: Final answer
    x = 930,388.53

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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.