Home / 1,213,997.76-1,675,409.67-670,238.28

Finding the Fourth Proportional to 1,213,997.76, 1,675,409.67 and 670,238.28

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Solution

The fourth proportional to 1,213,997.76, 1,675,409.67 and 670,238.28 is: 924,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,997.76 : 1,675,409.67 = 670,238.28 : x
  2. Step 2: Convert to fraction form
    1,213,997.76/1,675,409.67 = 670,238.28/x
  3. Step 3: Cross multiply
    1,213,997.76x = 1,675,409.67 × 670,238.28
  4. Step 4: Simplify right side
    1,213,997.76x = 1,122,923,695,516.17
  5. Step 5: Solve for x
    x = 1,122,923,695,516.17/1,213,997.76
  6. Step 6: Final answer
    x = 924,980.04

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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.