Home / 1,401,872.59-2,102,808.93-442,425.43

Finding the Fourth Proportional to 1,401,872.59, 2,102,808.93 and 442,425.43

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Solution

The fourth proportional to 1,401,872.59, 2,102,808.93 and 442,425.43 is: 663,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,872.59 : 2,102,808.93 = 442,425.43 : x
  2. Step 2: Convert to fraction form
    1,401,872.59/2,102,808.93 = 442,425.43/x
  3. Step 3: Cross multiply
    1,401,872.59x = 2,102,808.93 × 442,425.43
  4. Step 4: Simplify right side
    1,401,872.59x = 930,336,145,063.09
  5. Step 5: Solve for x
    x = 930,336,145,063.09/1,401,872.59
  6. Step 6: Final answer
    x = 663,638.16

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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.