Home / 1,307,199.60-1,960,410.60-508,021.20

Finding the Fourth Proportional to 1,307,199.60, 1,960,410.60 and 508,021.20

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Solution

The fourth proportional to 1,307,199.60, 1,960,410.60 and 508,021.20 is: 761,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,199.60 : 1,960,410.60 = 508,021.20 : x
  2. Step 2: Convert to fraction form
    1,307,199.60/1,960,410.60 = 508,021.20/x
  3. Step 3: Cross multiply
    1,307,199.60x = 1,960,410.60 × 508,021.20
  4. Step 4: Simplify right side
    1,307,199.60x = 995,930,145,504.72
  5. Step 5: Solve for x
    x = 995,930,145,504.72/1,307,199.60
  6. Step 6: Final answer
    x = 761,880.70

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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.