Home / 1,170,075.10-1,755,112.65-764,167.90

Finding the Fourth Proportional to 1,170,075.10, 1,755,112.65 and 764,167.90

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Solution

The fourth proportional to 1,170,075.10, 1,755,112.65 and 764,167.90 is: 1,146,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,075.10 : 1,755,112.65 = 764,167.90 : x
  2. Step 2: Convert to fraction form
    1,170,075.10/1,755,112.65 = 764,167.90/x
  3. Step 3: Cross multiply
    1,170,075.10x = 1,755,112.65 × 764,167.90
  4. Step 4: Simplify right side
    1,170,075.10x = 1,341,200,748,013.94
  5. Step 5: Solve for x
    x = 1,341,200,748,013.94/1,170,075.10
  6. Step 6: Final answer
    x = 1,146,251.85

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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.