Home / 1,418,813.87-1,958,004.78-774,275.66

Finding the Fourth Proportional to 1,418,813.87, 1,958,004.78 and 774,275.66

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Solution

The fourth proportional to 1,418,813.87, 1,958,004.78 and 774,275.66 is: 1,068,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,813.87 : 1,958,004.78 = 774,275.66 : x
  2. Step 2: Convert to fraction form
    1,418,813.87/1,958,004.78 = 774,275.66/x
  3. Step 3: Cross multiply
    1,418,813.87x = 1,958,004.78 × 774,275.66
  4. Step 4: Simplify right side
    1,418,813.87x = 1,516,035,433,527.63
  5. Step 5: Solve for x
    x = 1,516,035,433,527.63/1,418,813.87
  6. Step 6: Final answer
    x = 1,068,523.13

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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.