Home / 1,791,346.72-2,686,927.92-669,327.52

Finding the Fourth Proportional to 1,791,346.72, 2,686,927.92 and 669,327.52

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Solution

The fourth proportional to 1,791,346.72, 2,686,927.92 and 669,327.52 is: 1,003,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,346.72 : 2,686,927.92 = 669,327.52 : x
  2. Step 2: Convert to fraction form
    1,791,346.72/2,686,927.92 = 669,327.52/x
  3. Step 3: Cross multiply
    1,791,346.72x = 2,686,927.92 × 669,327.52
  4. Step 4: Simplify right side
    1,791,346.72x = 1,798,434,801,112.36
  5. Step 5: Solve for x
    x = 1,798,434,801,112.36/1,791,346.72
  6. Step 6: Final answer
    x = 1,003,956.84

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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.