Home / 1,446,660.79-2,170,081.38-381,703.87

Finding the Fourth Proportional to 1,446,660.79, 2,170,081.38 and 381,703.87

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Solution

The fourth proportional to 1,446,660.79, 2,170,081.38 and 381,703.87 is: 572,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,660.79 : 2,170,081.38 = 381,703.87 : x
  2. Step 2: Convert to fraction form
    1,446,660.79/2,170,081.38 = 381,703.87/x
  3. Step 3: Cross multiply
    1,446,660.79x = 2,170,081.38 × 381,703.87
  4. Step 4: Simplify right side
    1,446,660.79x = 828,328,460,960.94
  5. Step 5: Solve for x
    x = 828,328,460,960.94/1,446,660.79
  6. Step 6: Final answer
    x = 572,579.60

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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.