Home / 1,058,173.72-1,586,173.46-418,217.42

Finding the Fourth Proportional to 1,058,173.72, 1,586,173.46 and 418,217.42

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Solution

The fourth proportional to 1,058,173.72, 1,586,173.46 and 418,217.42 is: 626,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,173.72 : 1,586,173.46 = 418,217.42 : x
  2. Step 2: Convert to fraction form
    1,058,173.72/1,586,173.46 = 418,217.42/x
  3. Step 3: Cross multiply
    1,058,173.72x = 1,586,173.46 × 418,217.42
  4. Step 4: Simplify right side
    1,058,173.72x = 663,365,373,988.02
  5. Step 5: Solve for x
    x = 663,365,373,988.02/1,058,173.72
  6. Step 6: Final answer
    x = 626,896.48

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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.