Home / 1,556,505.64-2,147,820.42-1,148,830.12

Finding the Fourth Proportional to 1,556,505.64, 2,147,820.42 and 1,148,830.12

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Solution

The fourth proportional to 1,556,505.64, 2,147,820.42 and 1,148,830.12 is: 1,585,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,505.64 : 2,147,820.42 = 1,148,830.12 : x
  2. Step 2: Convert to fraction form
    1,556,505.64/2,147,820.42 = 1,148,830.12/x
  3. Step 3: Cross multiply
    1,556,505.64x = 2,147,820.42 × 1,148,830.12
  4. Step 4: Simplify right side
    1,556,505.64x = 2,467,480,790,847.05
  5. Step 5: Solve for x
    x = 2,467,480,790,847.05/1,556,505.64
  6. Step 6: Final answer
    x = 1,585,269.42

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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.