Home / 786,656.20-1,179,984.30-725,830.60

Finding the Fourth Proportional to 786,656.20, 1,179,984.30 and 725,830.60

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Solution

The fourth proportional to 786,656.20, 1,179,984.30 and 725,830.60 is: 1,088,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,656.20 : 1,179,984.30 = 725,830.60 : x
  2. Step 2: Convert to fraction form
    786,656.20/1,179,984.30 = 725,830.60/x
  3. Step 3: Cross multiply
    786,656.20x = 1,179,984.30 × 725,830.60
  4. Step 4: Simplify right side
    786,656.20x = 856,468,712,459.58
  5. Step 5: Solve for x
    x = 856,468,712,459.58/786,656.20
  6. Step 6: Final answer
    x = 1,088,745.90

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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.