Home / 1,330,277.10-1,995,415.65-769,022.70

Finding the Fourth Proportional to 1,330,277.10, 1,995,415.65 and 769,022.70

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Solution

The fourth proportional to 1,330,277.10, 1,995,415.65 and 769,022.70 is: 1,153,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,277.10 : 1,995,415.65 = 769,022.70 : x
  2. Step 2: Convert to fraction form
    1,330,277.10/1,995,415.65 = 769,022.70/x
  3. Step 3: Cross multiply
    1,330,277.10x = 1,995,415.65 × 769,022.70
  4. Step 4: Simplify right side
    1,330,277.10x = 1,534,519,930,785.26
  5. Step 5: Solve for x
    x = 1,534,519,930,785.26/1,330,277.10
  6. Step 6: Final answer
    x = 1,153,534.05

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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.