Home / 1,023,372.84-1,412,643.60-769,461.60

Finding the Fourth Proportional to 1,023,372.84, 1,412,643.60 and 769,461.60

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Solution

The fourth proportional to 1,023,372.84, 1,412,643.60 and 769,461.60 is: 1,062,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,372.84 : 1,412,643.60 = 769,461.60 : x
  2. Step 2: Convert to fraction form
    1,023,372.84/1,412,643.60 = 769,461.60/x
  3. Step 3: Cross multiply
    1,023,372.84x = 1,412,643.60 × 769,461.60
  4. Step 4: Simplify right side
    1,023,372.84x = 1,086,975,004,685.76
  5. Step 5: Solve for x
    x = 1,086,975,004,685.76/1,023,372.84
  6. Step 6: Final answer
    x = 1,062,149.55

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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.