Home / 1,091,475.60-1,636,630.20-459,675.60

Finding the Fourth Proportional to 1,091,475.60, 1,636,630.20 and 459,675.60

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Solution

The fourth proportional to 1,091,475.60, 1,636,630.20 and 459,675.60 is: 689,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,475.60 : 1,636,630.20 = 459,675.60 : x
  2. Step 2: Convert to fraction form
    1,091,475.60/1,636,630.20 = 459,675.60/x
  3. Step 3: Cross multiply
    1,091,475.60x = 1,636,630.20 × 459,675.60
  4. Step 4: Simplify right side
    1,091,475.60x = 752,318,969,163.12
  5. Step 5: Solve for x
    x = 752,318,969,163.12/1,091,475.60
  6. Step 6: Final answer
    x = 689,267.78

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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.