Home / 1,509,122.10-2,081,533.22-1,024,845.78

Finding the Fourth Proportional to 1,509,122.10, 2,081,533.22 and 1,024,845.78

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Solution

The fourth proportional to 1,509,122.10, 2,081,533.22 and 1,024,845.78 is: 1,413,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,122.10 : 2,081,533.22 = 1,024,845.78 : x
  2. Step 2: Convert to fraction form
    1,509,122.10/2,081,533.22 = 1,024,845.78/x
  3. Step 3: Cross multiply
    1,509,122.10x = 2,081,533.22 × 1,024,845.78
  4. Step 4: Simplify right side
    1,509,122.10x = 2,133,250,536,446.81
  5. Step 5: Solve for x
    x = 2,133,250,536,446.81/1,509,122.10
  6. Step 6: Final answer
    x = 1,413,570.54

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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.