Home / 1,057,828.68-1,585,356.90-489,137.58

Finding the Fourth Proportional to 1,057,828.68, 1,585,356.90 and 489,137.58

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Solution

The fourth proportional to 1,057,828.68, 1,585,356.90 and 489,137.58 is: 733,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,828.68 : 1,585,356.90 = 489,137.58 : x
  2. Step 2: Convert to fraction form
    1,057,828.68/1,585,356.90 = 489,137.58/x
  3. Step 3: Cross multiply
    1,057,828.68x = 1,585,356.90 × 489,137.58
  4. Step 4: Simplify right side
    1,057,828.68x = 775,457,637,502.30
  5. Step 5: Solve for x
    x = 775,457,637,502.30/1,057,828.68
  6. Step 6: Final answer
    x = 733,065.43

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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.