Home / 1,284,179.28-1,772,015.49-740,493.69

Finding the Fourth Proportional to 1,284,179.28, 1,772,015.49 and 740,493.69

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Solution

The fourth proportional to 1,284,179.28, 1,772,015.49 and 740,493.69 is: 1,021,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,179.28 : 1,772,015.49 = 740,493.69 : x
  2. Step 2: Convert to fraction form
    1,284,179.28/1,772,015.49 = 740,493.69/x
  3. Step 3: Cross multiply
    1,284,179.28x = 1,772,015.49 × 740,493.69
  4. Step 4: Simplify right side
    1,284,179.28x = 1,312,166,288,927.26
  5. Step 5: Solve for x
    x = 1,312,166,288,927.26/1,284,179.28
  6. Step 6: Final answer
    x = 1,021,793.69

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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.