Home / 1,440,954.72-1,988,594.42-829,200.60

Finding the Fourth Proportional to 1,440,954.72, 1,988,594.42 and 829,200.60

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Solution

The fourth proportional to 1,440,954.72, 1,988,594.42 and 829,200.60 is: 1,144,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,954.72 : 1,988,594.42 = 829,200.60 : x
  2. Step 2: Convert to fraction form
    1,440,954.72/1,988,594.42 = 829,200.60/x
  3. Step 3: Cross multiply
    1,440,954.72x = 1,988,594.42 × 829,200.60
  4. Step 4: Simplify right side
    1,440,954.72x = 1,648,943,682,074.65
  5. Step 5: Solve for x
    x = 1,648,943,682,074.65/1,440,954.72
  6. Step 6: Final answer
    x = 1,144,341.08

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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.