Home / 1,326,310.60-1,989,465.90-439,846.60

Finding the Fourth Proportional to 1,326,310.60, 1,989,465.90 and 439,846.60

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Solution

The fourth proportional to 1,326,310.60, 1,989,465.90 and 439,846.60 is: 659,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,310.60 : 1,989,465.90 = 439,846.60 : x
  2. Step 2: Convert to fraction form
    1,326,310.60/1,989,465.90 = 439,846.60/x
  3. Step 3: Cross multiply
    1,326,310.60x = 1,989,465.90 × 439,846.60
  4. Step 4: Simplify right side
    1,326,310.60x = 875,059,811,930.94
  5. Step 5: Solve for x
    x = 875,059,811,930.94/1,326,310.60
  6. Step 6: Final answer
    x = 659,769.90

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Similar ratio
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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.