Home / 1,665,561.38-2,497,968.39-766,139.36

Finding the Fourth Proportional to 1,665,561.38, 2,497,968.39 and 766,139.36

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Solution

The fourth proportional to 1,665,561.38, 2,497,968.39 and 766,139.36 is: 1,149,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,561.38 : 2,497,968.39 = 766,139.36 : x
  2. Step 2: Convert to fraction form
    1,665,561.38/2,497,968.39 = 766,139.36/x
  3. Step 3: Cross multiply
    1,665,561.38x = 2,497,968.39 × 766,139.36
  4. Step 4: Simplify right side
    1,665,561.38x = 1,913,791,903,614.83
  5. Step 5: Solve for x
    x = 1,913,791,903,614.83/1,665,561.38
  6. Step 6: Final answer
    x = 1,149,037.15

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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.