Home / 1,170,063.90-1,755,679.05-665,012.70

Finding the Fourth Proportional to 1,170,063.90, 1,755,679.05 and 665,012.70

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Solution

The fourth proportional to 1,170,063.90, 1,755,679.05 and 665,012.70 is: 997,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,063.90 : 1,755,679.05 = 665,012.70 : x
  2. Step 2: Convert to fraction form
    1,170,063.90/1,755,679.05 = 665,012.70/x
  3. Step 3: Cross multiply
    1,170,063.90x = 1,755,679.05 × 665,012.70
  4. Step 4: Simplify right side
    1,170,063.90x = 1,167,548,865,373.94
  5. Step 5: Solve for x
    x = 1,167,548,865,373.94/1,170,063.90
  6. Step 6: Final answer
    x = 997,850.52

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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.