Home / 1,318,951.60-1,819,575.12-774,841.84

Finding the Fourth Proportional to 1,318,951.60, 1,819,575.12 and 774,841.84

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Solution

The fourth proportional to 1,318,951.60, 1,819,575.12 and 774,841.84 is: 1,068,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,951.60 : 1,819,575.12 = 774,841.84 : x
  2. Step 2: Convert to fraction form
    1,318,951.60/1,819,575.12 = 774,841.84/x
  3. Step 3: Cross multiply
    1,318,951.60x = 1,819,575.12 × 774,841.84
  4. Step 4: Simplify right side
    1,318,951.60x = 1,409,882,933,999.02
  5. Step 5: Solve for x
    x = 1,409,882,933,999.02/1,318,951.60
  6. Step 6: Final answer
    x = 1,068,942.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.