Home / 1,877,121.72-2,812,464.36-1,260,469.76

Finding the Fourth Proportional to 1,877,121.72, 2,812,464.36 and 1,260,469.76

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Solution

The fourth proportional to 1,877,121.72, 2,812,464.36 and 1,260,469.76 is: 1,888,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,121.72 : 2,812,464.36 = 1,260,469.76 : x
  2. Step 2: Convert to fraction form
    1,877,121.72/2,812,464.36 = 1,260,469.76/x
  3. Step 3: Cross multiply
    1,877,121.72x = 2,812,464.36 × 1,260,469.76
  4. Step 4: Simplify right side
    1,877,121.72x = 3,545,026,262,795.43
  5. Step 5: Solve for x
    x = 3,545,026,262,795.43/1,877,121.72
  6. Step 6: Final answer
    x = 1,888,543.63

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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.