Home / 1,142,992.72-1,711,125.70-762,970.84

Finding the Fourth Proportional to 1,142,992.72, 1,711,125.70 and 762,970.84

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Solution

The fourth proportional to 1,142,992.72, 1,711,125.70 and 762,970.84 is: 1,142,211.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,992.72 : 1,711,125.70 = 762,970.84 : x
  2. Step 2: Convert to fraction form
    1,142,992.72/1,711,125.70 = 762,970.84/x
  3. Step 3: Cross multiply
    1,142,992.72x = 1,711,125.70 × 762,970.84
  4. Step 4: Simplify right side
    1,142,992.72x = 1,305,539,012,674.59
  5. Step 5: Solve for x
    x = 1,305,539,012,674.59/1,142,992.72
  6. Step 6: Final answer
    x = 1,142,211.14

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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.