Home / 1,507,771.96-2,080,741.40-819,443.86

Finding the Fourth Proportional to 1,507,771.96, 2,080,741.40 and 819,443.86

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Solution

The fourth proportional to 1,507,771.96, 2,080,741.40 and 819,443.86 is: 1,130,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,771.96 : 2,080,741.40 = 819,443.86 : x
  2. Step 2: Convert to fraction form
    1,507,771.96/2,080,741.40 = 819,443.86/x
  3. Step 3: Cross multiply
    1,507,771.96x = 2,080,741.40 × 819,443.86
  4. Step 4: Simplify right side
    1,507,771.96x = 1,705,050,764,477.80
  5. Step 5: Solve for x
    x = 1,705,050,764,477.80/1,507,771.96
  6. Step 6: Final answer
    x = 1,130,841.27

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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.