Home / 1,975,143.44-2,962,248.60-909,520.40

Finding the Fourth Proportional to 1,975,143.44, 2,962,248.60 and 909,520.40

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Solution

The fourth proportional to 1,975,143.44, 2,962,248.60 and 909,520.40 is: 1,364,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,143.44 : 2,962,248.60 = 909,520.40 : x
  2. Step 2: Convert to fraction form
    1,975,143.44/2,962,248.60 = 909,520.40/x
  3. Step 3: Cross multiply
    1,975,143.44x = 2,962,248.60 × 909,520.40
  4. Step 4: Simplify right side
    1,975,143.44x = 2,694,225,531,571.44
  5. Step 5: Solve for x
    x = 2,694,225,531,571.44/1,975,143.44
  6. Step 6: Final answer
    x = 1,364,065.76

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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.