Home / 1,099,718.24-1,649,172.74-379,876.76

Finding the Fourth Proportional to 1,099,718.24, 1,649,172.74 and 379,876.76

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Solution

The fourth proportional to 1,099,718.24, 1,649,172.74 and 379,876.76 is: 569,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,718.24 : 1,649,172.74 = 379,876.76 : x
  2. Step 2: Convert to fraction form
    1,099,718.24/1,649,172.74 = 379,876.76/x
  3. Step 3: Cross multiply
    1,099,718.24x = 1,649,172.74 × 379,876.76
  4. Step 4: Simplify right side
    1,099,718.24x = 626,482,397,151.52
  5. Step 5: Solve for x
    x = 626,482,397,151.52/1,099,718.24
  6. Step 6: Final answer
    x = 569,675.37

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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.