Home / 1,477,131.60-2,215,697.40-729,080.40

Finding the Fourth Proportional to 1,477,131.60, 2,215,697.40 and 729,080.40

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Solution

The fourth proportional to 1,477,131.60, 2,215,697.40 and 729,080.40 is: 1,093,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,131.60 : 2,215,697.40 = 729,080.40 : x
  2. Step 2: Convert to fraction form
    1,477,131.60/2,215,697.40 = 729,080.40/x
  3. Step 3: Cross multiply
    1,477,131.60x = 2,215,697.40 × 729,080.40
  4. Step 4: Simplify right side
    1,477,131.60x = 1,615,421,546,670.96
  5. Step 5: Solve for x
    x = 1,615,421,546,670.96/1,477,131.60
  6. Step 6: Final answer
    x = 1,093,620.60

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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.