Home / 1,070,578.86-1,477,263.96-587,016.78

Finding the Fourth Proportional to 1,070,578.86, 1,477,263.96 and 587,016.78

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Solution

The fourth proportional to 1,070,578.86, 1,477,263.96 and 587,016.78 is: 810,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,578.86 : 1,477,263.96 = 587,016.78 : x
  2. Step 2: Convert to fraction form
    1,070,578.86/1,477,263.96 = 587,016.78/x
  3. Step 3: Cross multiply
    1,070,578.86x = 1,477,263.96 × 587,016.78
  4. Step 4: Simplify right side
    1,070,578.86x = 867,178,733,009.25
  5. Step 5: Solve for x
    x = 867,178,733,009.25/1,070,578.86
  6. Step 6: Final answer
    x = 810,009.21

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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.