Home / 1,429,791.12-2,144,672.10-364,821.78

Finding the Fourth Proportional to 1,429,791.12, 2,144,672.10 and 364,821.78

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Solution

The fourth proportional to 1,429,791.12, 2,144,672.10 and 364,821.78 is: 547,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,791.12 : 2,144,672.10 = 364,821.78 : x
  2. Step 2: Convert to fraction form
    1,429,791.12/2,144,672.10 = 364,821.78/x
  3. Step 3: Cross multiply
    1,429,791.12x = 2,144,672.10 × 364,821.78
  4. Step 4: Simplify right side
    1,429,791.12x = 782,423,093,038.34
  5. Step 5: Solve for x
    x = 782,423,093,038.34/1,429,791.12
  6. Step 6: Final answer
    x = 547,228.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.