Home / 1,561,056.90-2,341,406.49-408,414.75

Finding the Fourth Proportional to 1,561,056.90, 2,341,406.49 and 408,414.75

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Solution

The fourth proportional to 1,561,056.90, 2,341,406.49 and 408,414.75 is: 612,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,056.90 : 2,341,406.49 = 408,414.75 : x
  2. Step 2: Convert to fraction form
    1,561,056.90/2,341,406.49 = 408,414.75/x
  3. Step 3: Cross multiply
    1,561,056.90x = 2,341,406.49 × 408,414.75
  4. Step 4: Simplify right side
    1,561,056.90x = 956,264,946,261.73
  5. Step 5: Solve for x
    x = 956,264,946,261.73/1,561,056.90
  6. Step 6: Final answer
    x = 612,575.33

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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.