Home / 1,424,438.58-1,965,650.58-779,735.28

Finding the Fourth Proportional to 1,424,438.58, 1,965,650.58 and 779,735.28

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Solution

The fourth proportional to 1,424,438.58, 1,965,650.58 and 779,735.28 is: 1,075,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,438.58 : 1,965,650.58 = 779,735.28 : x
  2. Step 2: Convert to fraction form
    1,424,438.58/1,965,650.58 = 779,735.28/x
  3. Step 3: Cross multiply
    1,424,438.58x = 1,965,650.58 × 779,735.28
  4. Step 4: Simplify right side
    1,424,438.58x = 1,532,687,100,931.28
  5. Step 5: Solve for x
    x = 1,532,687,100,931.28/1,424,438.58
  6. Step 6: Final answer
    x = 1,075,993.82

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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.