Home / 1,043,477.40-1,565,216.10-511,080.60

Finding the Fourth Proportional to 1,043,477.40, 1,565,216.10 and 511,080.60

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Solution

The fourth proportional to 1,043,477.40, 1,565,216.10 and 511,080.60 is: 766,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,477.40 : 1,565,216.10 = 511,080.60 : x
  2. Step 2: Convert to fraction form
    1,043,477.40/1,565,216.10 = 511,080.60/x
  3. Step 3: Cross multiply
    1,043,477.40x = 1,565,216.10 × 511,080.60
  4. Step 4: Simplify right side
    1,043,477.40x = 799,951,583,517.66
  5. Step 5: Solve for x
    x = 799,951,583,517.66/1,043,477.40
  6. Step 6: Final answer
    x = 766,620.90

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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.