Home / 1,196,330.15-1,790,279.78-747,262.50

Finding the Fourth Proportional to 1,196,330.15, 1,790,279.78 and 747,262.50

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Solution

The fourth proportional to 1,196,330.15, 1,790,279.78 and 747,262.50 is: 1,118,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,330.15 : 1,790,279.78 = 747,262.50 : x
  2. Step 2: Convert to fraction form
    1,196,330.15/1,790,279.78 = 747,262.50/x
  3. Step 3: Cross multiply
    1,196,330.15x = 1,790,279.78 × 747,262.50
  4. Step 4: Simplify right side
    1,196,330.15x = 1,337,808,940,365.94
  5. Step 5: Solve for x
    x = 1,337,808,940,365.94/1,196,330.15
  6. Step 6: Final answer
    x = 1,118,260.66

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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.