Home / 1,418,812.18-1,958,002.46-774,273.97

Finding the Fourth Proportional to 1,418,812.18, 1,958,002.46 and 774,273.97

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Solution

The fourth proportional to 1,418,812.18, 1,958,002.46 and 774,273.97 is: 1,068,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,812.18 : 1,958,002.46 = 774,273.97 : x
  2. Step 2: Convert to fraction form
    1,418,812.18/1,958,002.46 = 774,273.97/x
  3. Step 3: Cross multiply
    1,418,812.18x = 1,958,002.46 × 774,273.97
  4. Step 4: Simplify right side
    1,418,812.18x = 1,516,030,337,973.97
  5. Step 5: Solve for x
    x = 1,516,030,337,973.97/1,418,812.18
  6. Step 6: Final answer
    x = 1,068,520.81

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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.