Home / 1,329,425.44-1,993,719.90-430,658.66

Finding the Fourth Proportional to 1,329,425.44, 1,993,719.90 and 430,658.66

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Solution

The fourth proportional to 1,329,425.44, 1,993,719.90 and 430,658.66 is: 645,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,425.44 : 1,993,719.90 = 430,658.66 : x
  2. Step 2: Convert to fraction form
    1,329,425.44/1,993,719.90 = 430,658.66/x
  3. Step 3: Cross multiply
    1,329,425.44x = 1,993,719.90 × 430,658.66
  4. Step 4: Simplify right side
    1,329,425.44x = 858,612,740,549.33
  5. Step 5: Solve for x
    x = 858,612,740,549.33/1,329,425.44
  6. Step 6: Final answer
    x = 645,852.50

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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.