Home / 1,420,658.17-2,131,005.71-474,028.89

Finding the Fourth Proportional to 1,420,658.17, 2,131,005.71 and 474,028.89

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Solution

The fourth proportional to 1,420,658.17, 2,131,005.71 and 474,028.89 is: 711,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,658.17 : 2,131,005.71 = 474,028.89 : x
  2. Step 2: Convert to fraction form
    1,420,658.17/2,131,005.71 = 474,028.89/x
  3. Step 3: Cross multiply
    1,420,658.17x = 2,131,005.71 × 474,028.89
  4. Step 4: Simplify right side
    1,420,658.17x = 1,010,158,276,475.67
  5. Step 5: Solve for x
    x = 1,010,158,276,475.67/1,420,658.17
  6. Step 6: Final answer
    x = 711,049.49

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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.