Home / 1,170,019.10-1,755,028.65-764,111.90

Finding the Fourth Proportional to 1,170,019.10, 1,755,028.65 and 764,111.90

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Solution

The fourth proportional to 1,170,019.10, 1,755,028.65 and 764,111.90 is: 1,146,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,019.10 : 1,755,028.65 = 764,111.90 : x
  2. Step 2: Convert to fraction form
    1,170,019.10/1,755,028.65 = 764,111.90/x
  3. Step 3: Cross multiply
    1,170,019.10x = 1,755,028.65 × 764,111.90
  4. Step 4: Simplify right side
    1,170,019.10x = 1,341,038,276,305.94
  5. Step 5: Solve for x
    x = 1,341,038,276,305.94/1,170,019.10
  6. Step 6: Final answer
    x = 1,146,167.85

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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.