Home / 1,238,770.98-1,858,152.94-340,213.56

Finding the Fourth Proportional to 1,238,770.98, 1,858,152.94 and 340,213.56

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Solution

The fourth proportional to 1,238,770.98, 1,858,152.94 and 340,213.56 is: 510,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,770.98 : 1,858,152.94 = 340,213.56 : x
  2. Step 2: Convert to fraction form
    1,238,770.98/1,858,152.94 = 340,213.56/x
  3. Step 3: Cross multiply
    1,238,770.98x = 1,858,152.94 × 340,213.56
  4. Step 4: Simplify right side
    1,238,770.98x = 632,168,826,741.87
  5. Step 5: Solve for x
    x = 632,168,826,741.87/1,238,770.98
  6. Step 6: Final answer
    x = 510,319.37

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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.