Home / 1,369,961.67-2,054,701.92-423,340.59

Finding the Fourth Proportional to 1,369,961.67, 2,054,701.92 and 423,340.59

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Solution

The fourth proportional to 1,369,961.67, 2,054,701.92 and 423,340.59 is: 634,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,961.67 : 2,054,701.92 = 423,340.59 : x
  2. Step 2: Convert to fraction form
    1,369,961.67/2,054,701.92 = 423,340.59/x
  3. Step 3: Cross multiply
    1,369,961.67x = 2,054,701.92 × 423,340.59
  4. Step 4: Simplify right side
    1,369,961.67x = 869,838,723,086.93
  5. Step 5: Solve for x
    x = 869,838,723,086.93/1,369,961.67
  6. Step 6: Final answer
    x = 634,936.54

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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.