Home / 1,070,736.28-1,477,657.44-587,321.80

Finding the Fourth Proportional to 1,070,736.28, 1,477,657.44 and 587,321.80

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Solution

The fourth proportional to 1,070,736.28, 1,477,657.44 and 587,321.80 is: 810,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,736.28 : 1,477,657.44 = 587,321.80 : x
  2. Step 2: Convert to fraction form
    1,070,736.28/1,477,657.44 = 587,321.80/x
  3. Step 3: Cross multiply
    1,070,736.28x = 1,477,657.44 × 587,321.80
  4. Step 4: Simplify right side
    1,070,736.28x = 867,860,427,444.19
  5. Step 5: Solve for x
    x = 867,860,427,444.19/1,070,736.28
  6. Step 6: Final answer
    x = 810,526.78

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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.