Home / 1,302,142.05-1,956,206.53-918,773.26

Finding the Fourth Proportional to 1,302,142.05, 1,956,206.53 and 918,773.26

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Solution

The fourth proportional to 1,302,142.05, 1,956,206.53 and 918,773.26 is: 1,380,272.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,142.05 : 1,956,206.53 = 918,773.26 : x
  2. Step 2: Convert to fraction form
    1,302,142.05/1,956,206.53 = 918,773.26/x
  3. Step 3: Cross multiply
    1,302,142.05x = 1,956,206.53 × 918,773.26
  4. Step 4: Simplify right side
    1,302,142.05x = 1,797,310,247,059.34
  5. Step 5: Solve for x
    x = 1,797,310,247,059.34/1,302,142.05
  6. Step 6: Final answer
    x = 1,380,272.03

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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.