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Finding the Fourth Proportional to 1,300,722.19, 1,951,756.02 and 943,835.42

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Solution

The fourth proportional to 1,300,722.19, 1,951,756.02 and 943,835.42 is: 1,416,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,722.19 : 1,951,756.02 = 943,835.42 : x
  2. Step 2: Convert to fraction form
    1,300,722.19/1,951,756.02 = 943,835.42/x
  3. Step 3: Cross multiply
    1,300,722.19x = 1,951,756.02 × 943,835.42
  4. Step 4: Simplify right side
    1,300,722.19x = 1,842,136,462,874.23
  5. Step 5: Solve for x
    x = 1,842,136,462,874.23/1,300,722.19
  6. Step 6: Final answer
    x = 1,416,241.28

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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.