Home / 1,072,405.60-1,609,191.60-441,383.20

Finding the Fourth Proportional to 1,072,405.60, 1,609,191.60 and 441,383.20

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Solution

The fourth proportional to 1,072,405.60, 1,609,191.60 and 441,383.20 is: 662,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,405.60 : 1,609,191.60 = 441,383.20 : x
  2. Step 2: Convert to fraction form
    1,072,405.60/1,609,191.60 = 441,383.20/x
  3. Step 3: Cross multiply
    1,072,405.60x = 1,609,191.60 × 441,383.20
  4. Step 4: Simplify right side
    1,072,405.60x = 710,270,137,821.12
  5. Step 5: Solve for x
    x = 710,270,137,821.12/1,072,405.60
  6. Step 6: Final answer
    x = 662,314.83

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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.