Home / 1,021,654.82-1,530,120.21-986,225.42

Finding the Fourth Proportional to 1,021,654.82, 1,530,120.21 and 986,225.42

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Solution

The fourth proportional to 1,021,654.82, 1,530,120.21 and 986,225.42 is: 1,477,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,654.82 : 1,530,120.21 = 986,225.42 : x
  2. Step 2: Convert to fraction form
    1,021,654.82/1,530,120.21 = 986,225.42/x
  3. Step 3: Cross multiply
    1,021,654.82x = 1,530,120.21 × 986,225.42
  4. Step 4: Simplify right side
    1,021,654.82x = 1,509,043,446,884.69
  5. Step 5: Solve for x
    x = 1,509,043,446,884.69/1,021,654.82
  6. Step 6: Final answer
    x = 1,477,058.02

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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.