Home / 1,307,065.60-1,960,599.94-408,512.04

Finding the Fourth Proportional to 1,307,065.60, 1,960,599.94 and 408,512.04

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Solution

The fourth proportional to 1,307,065.60, 1,960,599.94 and 408,512.04 is: 612,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,065.60 : 1,960,599.94 = 408,512.04 : x
  2. Step 2: Convert to fraction form
    1,307,065.60/1,960,599.94 = 408,512.04/x
  3. Step 3: Cross multiply
    1,307,065.60x = 1,960,599.94 × 408,512.04
  4. Step 4: Simplify right side
    1,307,065.60x = 800,928,681,113.28
  5. Step 5: Solve for x
    x = 800,928,681,113.28/1,307,065.60
  6. Step 6: Final answer
    x = 612,768.54

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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.