Home / 1,427,604-2,141,305.80-669,611.70

Finding the Fourth Proportional to 1,427,604, 2,141,305.80 and 669,611.70

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Solution

The fourth proportional to 1,427,604, 2,141,305.80 and 669,611.70 is: 1,004,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,604 : 2,141,305.80 = 669,611.70 : x
  2. Step 2: Convert to fraction form
    1,427,604/2,141,305.80 = 669,611.70/x
  3. Step 3: Cross multiply
    1,427,604x = 2,141,305.80 × 669,611.70
  4. Step 4: Simplify right side
    1,427,604x = 1,433,843,416,957.86
  5. Step 5: Solve for x
    x = 1,433,843,416,957.86/1,427,604
  6. Step 6: Final answer
    x = 1,004,370.55

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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.