Home / 1,536,144.90-2,119,374.09-992,600.88

Finding the Fourth Proportional to 1,536,144.90, 2,119,374.09 and 992,600.88

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Solution

The fourth proportional to 1,536,144.90, 2,119,374.09 and 992,600.88 is: 1,369,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,144.90 : 2,119,374.09 = 992,600.88 : x
  2. Step 2: Convert to fraction form
    1,536,144.90/2,119,374.09 = 992,600.88/x
  3. Step 3: Cross multiply
    1,536,144.90x = 2,119,374.09 × 992,600.88
  4. Step 4: Simplify right side
    1,536,144.90x = 2,103,692,586,783.20
  5. Step 5: Solve for x
    x = 2,103,692,586,783.20/1,536,144.90
  6. Step 6: Final answer
    x = 1,369,462.34

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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.