Home / 1,107,352.70-1,661,029.05-547,480.70

Finding the Fourth Proportional to 1,107,352.70, 1,661,029.05 and 547,480.70

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Solution

The fourth proportional to 1,107,352.70, 1,661,029.05 and 547,480.70 is: 821,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,352.70 : 1,661,029.05 = 547,480.70 : x
  2. Step 2: Convert to fraction form
    1,107,352.70/1,661,029.05 = 547,480.70/x
  3. Step 3: Cross multiply
    1,107,352.70x = 1,661,029.05 × 547,480.70
  4. Step 4: Simplify right side
    1,107,352.70x = 909,381,347,014.34
  5. Step 5: Solve for x
    x = 909,381,347,014.34/1,107,352.70
  6. Step 6: Final answer
    x = 821,221.05

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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.