Home / 1,197,421.40-1,796,132.10-1,067,513.60

Finding the Fourth Proportional to 1,197,421.40, 1,796,132.10 and 1,067,513.60

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Solution

The fourth proportional to 1,197,421.40, 1,796,132.10 and 1,067,513.60 is: 1,601,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,421.40 : 1,796,132.10 = 1,067,513.60 : x
  2. Step 2: Convert to fraction form
    1,197,421.40/1,796,132.10 = 1,067,513.60/x
  3. Step 3: Cross multiply
    1,197,421.40x = 1,796,132.10 × 1,067,513.60
  4. Step 4: Simplify right side
    1,197,421.40x = 1,917,395,444,146.56
  5. Step 5: Solve for x
    x = 1,917,395,444,146.56/1,197,421.40
  6. Step 6: Final answer
    x = 1,601,270.40

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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.