Home / 1,315,673.37-1,815,659.07-772,201.11

Finding the Fourth Proportional to 1,315,673.37, 1,815,659.07 and 772,201.11

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Solution

The fourth proportional to 1,315,673.37, 1,815,659.07 and 772,201.11 is: 1,065,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,673.37 : 1,815,659.07 = 772,201.11 : x
  2. Step 2: Convert to fraction form
    1,315,673.37/1,815,659.07 = 772,201.11/x
  3. Step 3: Cross multiply
    1,315,673.37x = 1,815,659.07 × 772,201.11
  4. Step 4: Simplify right side
    1,315,673.37x = 1,402,053,949,235.57
  5. Step 5: Solve for x
    x = 1,402,053,949,235.57/1,315,673.37
  6. Step 6: Final answer
    x = 1,065,655.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.