Home / 1,617,355.40-2,426,907.90-670,821.80

Finding the Fourth Proportional to 1,617,355.40, 2,426,907.90 and 670,821.80

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Solution

The fourth proportional to 1,617,355.40, 2,426,907.90 and 670,821.80 is: 1,006,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,355.40 : 2,426,907.90 = 670,821.80 : x
  2. Step 2: Convert to fraction form
    1,617,355.40/2,426,907.90 = 670,821.80/x
  3. Step 3: Cross multiply
    1,617,355.40x = 2,426,907.90 × 670,821.80
  4. Step 4: Simplify right side
    1,617,355.40x = 1,628,022,725,912.22
  5. Step 5: Solve for x
    x = 1,628,022,725,912.22/1,617,355.40
  6. Step 6: Final answer
    x = 1,006,595.54

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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.