Home / 1,464,912.34-2,021,706.21-820,320.82

Finding the Fourth Proportional to 1,464,912.34, 2,021,706.21 and 820,320.82

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Solution

The fourth proportional to 1,464,912.34, 2,021,706.21 and 820,320.82 is: 1,132,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,912.34 : 2,021,706.21 = 820,320.82 : x
  2. Step 2: Convert to fraction form
    1,464,912.34/2,021,706.21 = 820,320.82/x
  3. Step 3: Cross multiply
    1,464,912.34x = 2,021,706.21 × 820,320.82
  4. Step 4: Simplify right side
    1,464,912.34x = 1,658,447,695,986.29
  5. Step 5: Solve for x
    x = 1,658,447,695,986.29/1,464,912.34
  6. Step 6: Final answer
    x = 1,132,113.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.