Home / 1,326,113.88-1,989,184.68-1,061,556.12

Finding the Fourth Proportional to 1,326,113.88, 1,989,184.68 and 1,061,556.12

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Solution

The fourth proportional to 1,326,113.88, 1,989,184.68 and 1,061,556.12 is: 1,592,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,113.88 : 1,989,184.68 = 1,061,556.12 : x
  2. Step 2: Convert to fraction form
    1,326,113.88/1,989,184.68 = 1,061,556.12/x
  3. Step 3: Cross multiply
    1,326,113.88x = 1,989,184.68 × 1,061,556.12
  4. Step 4: Simplify right side
    1,326,113.88x = 2,111,631,170,864.24
  5. Step 5: Solve for x
    x = 2,111,631,170,864.24/1,326,113.88
  6. Step 6: Final answer
    x = 1,592,345.27

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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.