Home / 1,060,935.21-1,590,821.24-420,590.25

Finding the Fourth Proportional to 1,060,935.21, 1,590,821.24 and 420,590.25

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Solution

The fourth proportional to 1,060,935.21, 1,590,821.24 and 420,590.25 is: 630,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,935.21 : 1,590,821.24 = 420,590.25 : x
  2. Step 2: Convert to fraction form
    1,060,935.21/1,590,821.24 = 420,590.25/x
  3. Step 3: Cross multiply
    1,060,935.21x = 1,590,821.24 × 420,590.25
  4. Step 4: Simplify right side
    1,060,935.21x = 669,083,900,933.96
  5. Step 5: Solve for x
    x = 669,083,900,933.96/1,060,935.21
  6. Step 6: Final answer
    x = 630,654.82

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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.