Home / 1,418,942.96-1,958,182.76-774,404.52

Finding the Fourth Proportional to 1,418,942.96, 1,958,182.76 and 774,404.52

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Solution

The fourth proportional to 1,418,942.96, 1,958,182.76 and 774,404.52 is: 1,068,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,942.96 : 1,958,182.76 = 774,404.52 : x
  2. Step 2: Convert to fraction form
    1,418,942.96/1,958,182.76 = 774,404.52/x
  3. Step 3: Cross multiply
    1,418,942.96x = 1,958,182.76 × 774,404.52
  4. Step 4: Simplify right side
    1,418,942.96x = 1,516,425,580,330.08
  5. Step 5: Solve for x
    x = 1,516,425,580,330.08/1,418,942.96
  6. Step 6: Final answer
    x = 1,068,700.87

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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.