Home / 1,381,658.40-2,072,487.60-482,801.40

Finding the Fourth Proportional to 1,381,658.40, 2,072,487.60 and 482,801.40

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Solution

The fourth proportional to 1,381,658.40, 2,072,487.60 and 482,801.40 is: 724,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,658.40 : 2,072,487.60 = 482,801.40 : x
  2. Step 2: Convert to fraction form
    1,381,658.40/2,072,487.60 = 482,801.40/x
  3. Step 3: Cross multiply
    1,381,658.40x = 2,072,487.60 × 482,801.40
  4. Step 4: Simplify right side
    1,381,658.40x = 1,000,599,914,762.64
  5. Step 5: Solve for x
    x = 1,000,599,914,762.64/1,381,658.40
  6. Step 6: Final answer
    x = 724,202.10

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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.