Home / 1,776,914.40-2,667,121.20-879,369.60

Finding the Fourth Proportional to 1,776,914.40, 2,667,121.20 and 879,369.60

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Solution

The fourth proportional to 1,776,914.40, 2,667,121.20 and 879,369.60 is: 1,319,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,914.40 : 2,667,121.20 = 879,369.60 : x
  2. Step 2: Convert to fraction form
    1,776,914.40/2,667,121.20 = 879,369.60/x
  3. Step 3: Cross multiply
    1,776,914.40x = 2,667,121.20 × 879,369.60
  4. Step 4: Simplify right side
    1,776,914.40x = 2,345,385,302,795.52
  5. Step 5: Solve for x
    x = 2,345,385,302,795.52/1,776,914.40
  6. Step 6: Final answer
    x = 1,319,920.25

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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.