Home / 1,418,945.46-1,958,186.21-774,407.02

Finding the Fourth Proportional to 1,418,945.46, 1,958,186.21 and 774,407.02

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Solution

The fourth proportional to 1,418,945.46, 1,958,186.21 and 774,407.02 is: 1,068,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,945.46 : 1,958,186.21 = 774,407.02 : x
  2. Step 2: Convert to fraction form
    1,418,945.46/1,958,186.21 = 774,407.02/x
  3. Step 3: Cross multiply
    1,418,945.46x = 1,958,186.21 × 774,407.02
  4. Step 4: Simplify right side
    1,418,945.46x = 1,516,433,147,491.19
  5. Step 5: Solve for x
    x = 1,516,433,147,491.19/1,418,945.46
  6. Step 6: Final answer
    x = 1,068,704.32

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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.