Home / 1,507,777.96-2,080,749.68-819,449.86

Finding the Fourth Proportional to 1,507,777.96, 2,080,749.68 and 819,449.86

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Solution

The fourth proportional to 1,507,777.96, 2,080,749.68 and 819,449.86 is: 1,130,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,777.96 : 2,080,749.68 = 819,449.86 : x
  2. Step 2: Convert to fraction form
    1,507,777.96/2,080,749.68 = 819,449.86/x
  3. Step 3: Cross multiply
    1,507,777.96x = 2,080,749.68 × 819,449.86
  4. Step 4: Simplify right side
    1,507,777.96x = 1,705,070,033,971.04
  5. Step 5: Solve for x
    x = 1,705,070,033,971.04/1,507,777.96
  6. Step 6: Final answer
    x = 1,130,849.55

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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.