Home / 1,655,121.60-2,482,682.40-856,647.90

Finding the Fourth Proportional to 1,655,121.60, 2,482,682.40 and 856,647.90

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Solution

The fourth proportional to 1,655,121.60, 2,482,682.40 and 856,647.90 is: 1,284,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,121.60 : 2,482,682.40 = 856,647.90 : x
  2. Step 2: Convert to fraction form
    1,655,121.60/2,482,682.40 = 856,647.90/x
  3. Step 3: Cross multiply
    1,655,121.60x = 2,482,682.40 × 856,647.90
  4. Step 4: Simplify right side
    1,655,121.60x = 2,126,784,664,326.96
  5. Step 5: Solve for x
    x = 2,126,784,664,326.96/1,655,121.60
  6. Step 6: Final answer
    x = 1,284,971.85

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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.