Home / 1,974,412.80-2,961,619.23-478,504.80

Finding the Fourth Proportional to 1,974,412.80, 2,961,619.23 and 478,504.80

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Solution

The fourth proportional to 1,974,412.80, 2,961,619.23 and 478,504.80 is: 717,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,412.80 : 2,961,619.23 = 478,504.80 : x
  2. Step 2: Convert to fraction form
    1,974,412.80/2,961,619.23 = 478,504.80/x
  3. Step 3: Cross multiply
    1,974,412.80x = 2,961,619.23 × 478,504.80
  4. Step 4: Simplify right side
    1,974,412.80x = 1,417,149,017,327.30
  5. Step 5: Solve for x
    x = 1,417,149,017,327.30/1,974,412.80
  6. Step 6: Final answer
    x = 717,757.21

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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.