Home / 1,379,880.60-2,069,675.33-369,104.55

Finding the Fourth Proportional to 1,379,880.60, 2,069,675.33 and 369,104.55

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Solution

The fourth proportional to 1,379,880.60, 2,069,675.33 and 369,104.55 is: 553,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,880.60 : 2,069,675.33 = 369,104.55 : x
  2. Step 2: Convert to fraction form
    1,379,880.60/2,069,675.33 = 369,104.55/x
  3. Step 3: Cross multiply
    1,379,880.60x = 2,069,675.33 × 369,104.55
  4. Step 4: Simplify right side
    1,379,880.60x = 763,926,579,480.23
  5. Step 5: Solve for x
    x = 763,926,579,480.23/1,379,880.60
  6. Step 6: Final answer
    x = 553,617.89

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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.