Home / 1,685,037.80-2,527,556.70-1,143,828.20

Finding the Fourth Proportional to 1,685,037.80, 2,527,556.70 and 1,143,828.20

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Solution

The fourth proportional to 1,685,037.80, 2,527,556.70 and 1,143,828.20 is: 1,715,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,037.80 : 2,527,556.70 = 1,143,828.20 : x
  2. Step 2: Convert to fraction form
    1,685,037.80/2,527,556.70 = 1,143,828.20/x
  3. Step 3: Cross multiply
    1,685,037.80x = 2,527,556.70 × 1,143,828.20
  4. Step 4: Simplify right side
    1,685,037.80x = 2,891,090,630,558.94
  5. Step 5: Solve for x
    x = 2,891,090,630,558.94/1,685,037.80
  6. Step 6: Final answer
    x = 1,715,742.30

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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.