Home / 1,665,119.20-2,496,940.08-766,343.20

Finding the Fourth Proportional to 1,665,119.20, 2,496,940.08 and 766,343.20

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Solution

The fourth proportional to 1,665,119.20, 2,496,940.08 and 766,343.20 is: 1,149,174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,119.20 : 2,496,940.08 = 766,343.20 : x
  2. Step 2: Convert to fraction form
    1,665,119.20/2,496,940.08 = 766,343.20/x
  3. Step 3: Cross multiply
    1,665,119.20x = 2,496,940.08 × 766,343.20
  4. Step 4: Simplify right side
    1,665,119.20x = 1,913,513,051,115.46
  5. Step 5: Solve for x
    x = 1,913,513,051,115.46/1,665,119.20
  6. Step 6: Final answer
    x = 1,149,174.82

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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.