Home / 1,326,122.35-1,989,197.46-1,061,564.60

Finding the Fourth Proportional to 1,326,122.35, 1,989,197.46 and 1,061,564.60

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Solution

The fourth proportional to 1,326,122.35, 1,989,197.46 and 1,061,564.60 is: 1,592,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,122.35 : 1,989,197.46 = 1,061,564.60 : x
  2. Step 2: Convert to fraction form
    1,326,122.35/1,989,197.46 = 1,061,564.60/x
  3. Step 3: Cross multiply
    1,326,122.35x = 1,989,197.46 × 1,061,564.60
  4. Step 4: Simplify right side
    1,326,122.35x = 2,111,661,610,918.91
  5. Step 5: Solve for x
    x = 2,111,661,610,918.91/1,326,122.35
  6. Step 6: Final answer
    x = 1,592,358.06

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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.