Home / 1,315,014.73-1,972,634.40-462,012.28

Finding the Fourth Proportional to 1,315,014.73, 1,972,634.40 and 462,012.28

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Solution

The fourth proportional to 1,315,014.73, 1,972,634.40 and 462,012.28 is: 693,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,014.73 : 1,972,634.40 = 462,012.28 : x
  2. Step 2: Convert to fraction form
    1,315,014.73/1,972,634.40 = 462,012.28/x
  3. Step 3: Cross multiply
    1,315,014.73x = 1,972,634.40 × 462,012.28
  4. Step 4: Simplify right side
    1,315,014.73x = 911,381,311,818.85
  5. Step 5: Solve for x
    x = 911,381,311,818.85/1,315,014.73
  6. Step 6: Final answer
    x = 693,057.87

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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.