Home / 1,259,594.64-1,737,930.36-769,439.28

Finding the Fourth Proportional to 1,259,594.64, 1,737,930.36 and 769,439.28

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Solution

The fourth proportional to 1,259,594.64, 1,737,930.36 and 769,439.28 is: 1,061,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,594.64 : 1,737,930.36 = 769,439.28 : x
  2. Step 2: Convert to fraction form
    1,259,594.64/1,737,930.36 = 769,439.28/x
  3. Step 3: Cross multiply
    1,259,594.64x = 1,737,930.36 × 769,439.28
  4. Step 4: Simplify right side
    1,259,594.64x = 1,337,231,884,888.54
  5. Step 5: Solve for x
    x = 1,337,231,884,888.54/1,259,594.64
  6. Step 6: Final answer
    x = 1,061,636.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.