Home / 1,326,113.87-1,989,184.68-1,061,556.11

Finding the Fourth Proportional to 1,326,113.87, 1,989,184.68 and 1,061,556.11

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Solution

The fourth proportional to 1,326,113.87, 1,989,184.68 and 1,061,556.11 is: 1,592,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,113.87 : 1,989,184.68 = 1,061,556.11 : x
  2. Step 2: Convert to fraction form
    1,326,113.87/1,989,184.68 = 1,061,556.11/x
  3. Step 3: Cross multiply
    1,326,113.87x = 1,989,184.68 × 1,061,556.11
  4. Step 4: Simplify right side
    1,326,113.87x = 2,111,631,150,972.40
  5. Step 5: Solve for x
    x = 2,111,631,150,972.40/1,326,113.87
  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.