Home / 1,665,561.88-2,497,969.14-766,139.86

Finding the Fourth Proportional to 1,665,561.88, 2,497,969.14 and 766,139.86

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Solution

The fourth proportional to 1,665,561.88, 2,497,969.14 and 766,139.86 is: 1,149,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,561.88 : 2,497,969.14 = 766,139.86 : x
  2. Step 2: Convert to fraction form
    1,665,561.88/2,497,969.14 = 766,139.86/x
  3. Step 3: Cross multiply
    1,665,561.88x = 2,497,969.14 × 766,139.86
  4. Step 4: Simplify right side
    1,665,561.88x = 1,913,793,727,203.92
  5. Step 5: Solve for x
    x = 1,913,793,727,203.92/1,665,561.88
  6. Step 6: Final answer
    x = 1,149,037.90

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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.