Home / 1,170,014.10-1,755,021.15-764,106.90

Finding the Fourth Proportional to 1,170,014.10, 1,755,021.15 and 764,106.90

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Solution

The fourth proportional to 1,170,014.10, 1,755,021.15 and 764,106.90 is: 1,146,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,014.10 : 1,755,021.15 = 764,106.90 : x
  2. Step 2: Convert to fraction form
    1,170,014.10/1,755,021.15 = 764,106.90/x
  3. Step 3: Cross multiply
    1,170,014.10x = 1,755,021.15 × 764,106.90
  4. Step 4: Simplify right side
    1,170,014.10x = 1,341,023,770,360.94
  5. Step 5: Solve for x
    x = 1,341,023,770,360.94/1,170,014.10
  6. Step 6: Final answer
    x = 1,146,160.35

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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.