Home / 1,068,688.15-1,603,017.81-259,079.51

Finding the Fourth Proportional to 1,068,688.15, 1,603,017.81 and 259,079.51

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Solution

The fourth proportional to 1,068,688.15, 1,603,017.81 and 259,079.51 is: 388,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,688.15 : 1,603,017.81 = 259,079.51 : x
  2. Step 2: Convert to fraction form
    1,068,688.15/1,603,017.81 = 259,079.51/x
  3. Step 3: Cross multiply
    1,068,688.15x = 1,603,017.81 × 259,079.51
  4. Step 4: Simplify right side
    1,068,688.15x = 415,309,072,743.62
  5. Step 5: Solve for x
    x = 415,309,072,743.62/1,068,688.15
  6. Step 6: Final answer
    x = 388,615.78

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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.