Home / 1,628,110.33-2,442,282.13-430,020.70

Finding the Fourth Proportional to 1,628,110.33, 2,442,282.13 and 430,020.70

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Solution

The fourth proportional to 1,628,110.33, 2,442,282.13 and 430,020.70 is: 645,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,110.33 : 2,442,282.13 = 430,020.70 : x
  2. Step 2: Convert to fraction form
    1,628,110.33/2,442,282.13 = 430,020.70/x
  3. Step 3: Cross multiply
    1,628,110.33x = 2,442,282.13 × 430,020.70
  4. Step 4: Simplify right side
    1,628,110.33x = 1,050,231,865,571.91
  5. Step 5: Solve for x
    x = 1,050,231,865,571.91/1,628,110.33
  6. Step 6: Final answer
    x = 645,061.85

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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.