Home / 1,311,843.60-1,967,765.40-713,091.60

Finding the Fourth Proportional to 1,311,843.60, 1,967,765.40 and 713,091.60

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Solution

The fourth proportional to 1,311,843.60, 1,967,765.40 and 713,091.60 is: 1,069,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,843.60 : 1,967,765.40 = 713,091.60 : x
  2. Step 2: Convert to fraction form
    1,311,843.60/1,967,765.40 = 713,091.60/x
  3. Step 3: Cross multiply
    1,311,843.60x = 1,967,765.40 × 713,091.60
  4. Step 4: Simplify right side
    1,311,843.60x = 1,403,196,977,510.64
  5. Step 5: Solve for x
    x = 1,403,196,977,510.64/1,311,843.60
  6. Step 6: Final answer
    x = 1,069,637.40

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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.