Home / 1,000,886.96-1,381,322.79-571,231.37

Finding the Fourth Proportional to 1,000,886.96, 1,381,322.79 and 571,231.37

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Solution

The fourth proportional to 1,000,886.96, 1,381,322.79 and 571,231.37 is: 788,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,886.96 : 1,381,322.79 = 571,231.37 : x
  2. Step 2: Convert to fraction form
    1,000,886.96/1,381,322.79 = 571,231.37/x
  3. Step 3: Cross multiply
    1,000,886.96x = 1,381,322.79 × 571,231.37
  4. Step 4: Simplify right side
    1,000,886.96x = 789,054,902,837.31
  5. Step 5: Solve for x
    x = 789,054,902,837.31/1,000,886.96
  6. Step 6: Final answer
    x = 788,355.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.