Home / 1,788,428.88-2,466,782.64-1,214,472.60

Finding the Fourth Proportional to 1,788,428.88, 2,466,782.64 and 1,214,472.60

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Solution

The fourth proportional to 1,788,428.88, 2,466,782.64 and 1,214,472.60 is: 1,675,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,428.88 : 2,466,782.64 = 1,214,472.60 : x
  2. Step 2: Convert to fraction form
    1,788,428.88/2,466,782.64 = 1,214,472.60/x
  3. Step 3: Cross multiply
    1,788,428.88x = 2,466,782.64 × 1,214,472.60
  4. Step 4: Simplify right side
    1,788,428.88x = 2,995,839,926,435.66
  5. Step 5: Solve for x
    x = 2,995,839,926,435.66/1,788,428.88
  6. Step 6: Final answer
    x = 1,675,123.88

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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.