Home / 1,170,047.90-1,755,655.05-664,996.70

Finding the Fourth Proportional to 1,170,047.90, 1,755,655.05 and 664,996.70

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Solution

The fourth proportional to 1,170,047.90, 1,755,655.05 and 664,996.70 is: 997,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,047.90 : 1,755,655.05 = 664,996.70 : x
  2. Step 2: Convert to fraction form
    1,170,047.90/1,755,655.05 = 664,996.70/x
  3. Step 3: Cross multiply
    1,170,047.90x = 1,755,655.05 × 664,996.70
  4. Step 4: Simplify right side
    1,170,047.90x = 1,167,504,814,588.34
  5. Step 5: Solve for x
    x = 1,167,504,814,588.34/1,170,047.90
  6. Step 6: Final answer
    x = 997,826.51

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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.