Home / 1,426,808.52-1,968,995.28-782,214.87

Finding the Fourth Proportional to 1,426,808.52, 1,968,995.28 and 782,214.87

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Solution

The fourth proportional to 1,426,808.52, 1,968,995.28 and 782,214.87 is: 1,079,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,808.52 : 1,968,995.28 = 782,214.87 : x
  2. Step 2: Convert to fraction form
    1,426,808.52/1,968,995.28 = 782,214.87/x
  3. Step 3: Cross multiply
    1,426,808.52x = 1,968,995.28 × 782,214.87
  4. Step 4: Simplify right side
    1,426,808.52x = 1,540,177,397,292.85
  5. Step 5: Solve for x
    x = 1,540,177,397,292.85/1,426,808.52
  6. Step 6: Final answer
    x = 1,079,456.27

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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.