Home / 1,034,628.42-1,551,490.20-521,978.15

Finding the Fourth Proportional to 1,034,628.42, 1,551,490.20 and 521,978.15

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Solution

The fourth proportional to 1,034,628.42, 1,551,490.20 and 521,978.15 is: 782,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,628.42 : 1,551,490.20 = 521,978.15 : x
  2. Step 2: Convert to fraction form
    1,034,628.42/1,551,490.20 = 521,978.15/x
  3. Step 3: Cross multiply
    1,034,628.42x = 1,551,490.20 × 521,978.15
  4. Step 4: Simplify right side
    1,034,628.42x = 809,843,982,202.70
  5. Step 5: Solve for x
    x = 809,843,982,202.70/1,034,628.42
  6. Step 6: Final answer
    x = 782,738.97

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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.