Home / 1,561,559.40-2,342,377.98-439,620.84

Finding the Fourth Proportional to 1,561,559.40, 2,342,377.98 and 439,620.84

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Solution

The fourth proportional to 1,561,559.40, 2,342,377.98 and 439,620.84 is: 659,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,559.40 : 2,342,377.98 = 439,620.84 : x
  2. Step 2: Convert to fraction form
    1,561,559.40/2,342,377.98 = 439,620.84/x
  3. Step 3: Cross multiply
    1,561,559.40x = 2,342,377.98 × 439,620.84
  4. Step 4: Simplify right side
    1,561,559.40x = 1,029,758,175,165.10
  5. Step 5: Solve for x
    x = 1,029,758,175,165.10/1,561,559.40
  6. Step 6: Final answer
    x = 659,442.21

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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.