Home / 1,338,424.56-2,007,211.08-439,657.76

Finding the Fourth Proportional to 1,338,424.56, 2,007,211.08 and 439,657.76

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Solution

The fourth proportional to 1,338,424.56, 2,007,211.08 and 439,657.76 is: 659,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,424.56 : 2,007,211.08 = 439,657.76 : x
  2. Step 2: Convert to fraction form
    1,338,424.56/2,007,211.08 = 439,657.76/x
  3. Step 3: Cross multiply
    1,338,424.56x = 2,007,211.08 × 439,657.76
  4. Step 4: Simplify right side
    1,338,424.56x = 882,485,927,279.98
  5. Step 5: Solve for x
    x = 882,485,927,279.98/1,338,424.56
  6. Step 6: Final answer
    x = 659,346.78

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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.