Home / 1,418,822.64-1,958,016.89-774,284.45

Finding the Fourth Proportional to 1,418,822.64, 1,958,016.89 and 774,284.45

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Solution

The fourth proportional to 1,418,822.64, 1,958,016.89 and 774,284.45 is: 1,068,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,822.64 : 1,958,016.89 = 774,284.45 : x
  2. Step 2: Convert to fraction form
    1,418,822.64/1,958,016.89 = 774,284.45/x
  3. Step 3: Cross multiply
    1,418,822.64x = 1,958,016.89 × 774,284.45
  4. Step 4: Simplify right side
    1,418,822.64x = 1,516,062,022,909.99
  5. Step 5: Solve for x
    x = 1,516,062,022,909.99/1,418,822.64
  6. Step 6: Final answer
    x = 1,068,535.26

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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.