Home / 915,999.60-1,373,999.40-636,063.60

Finding the Fourth Proportional to 915,999.60, 1,373,999.40 and 636,063.60

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Solution

The fourth proportional to 915,999.60, 1,373,999.40 and 636,063.60 is: 954,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,999.60 : 1,373,999.40 = 636,063.60 : x
  2. Step 2: Convert to fraction form
    915,999.60/1,373,999.40 = 636,063.60/x
  3. Step 3: Cross multiply
    915,999.60x = 1,373,999.40 × 636,063.60
  4. Step 4: Simplify right side
    915,999.60x = 873,951,004,761.84
  5. Step 5: Solve for x
    x = 873,951,004,761.84/915,999.60
  6. Step 6: Final answer
    x = 954,095.40

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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.