Home / 1,415,208.96-2,123,642.88-1,015,418.88

Finding the Fourth Proportional to 1,415,208.96, 2,123,642.88 and 1,015,418.88

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Solution

The fourth proportional to 1,415,208.96, 2,123,642.88 and 1,015,418.88 is: 1,523,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,208.96 : 2,123,642.88 = 1,015,418.88 : x
  2. Step 2: Convert to fraction form
    1,415,208.96/2,123,642.88 = 1,015,418.88/x
  3. Step 3: Cross multiply
    1,415,208.96x = 2,123,642.88 × 1,015,418.88
  4. Step 4: Simplify right side
    1,415,208.96x = 2,156,387,074,729.57
  5. Step 5: Solve for x
    x = 2,156,387,074,729.57/1,415,208.96
  6. Step 6: Final answer
    x = 1,523,723.45

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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.