Home / 1,280,999.27-1,767,816.58-700,254.49

Finding the Fourth Proportional to 1,280,999.27, 1,767,816.58 and 700,254.49

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Solution

The fourth proportional to 1,280,999.27, 1,767,816.58 and 700,254.49 is: 966,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,999.27 : 1,767,816.58 = 700,254.49 : x
  2. Step 2: Convert to fraction form
    1,280,999.27/1,767,816.58 = 700,254.49/x
  3. Step 3: Cross multiply
    1,280,999.27x = 1,767,816.58 × 700,254.49
  4. Step 4: Simplify right side
    1,280,999.27x = 1,237,921,497,641.44
  5. Step 5: Solve for x
    x = 1,237,921,497,641.44/1,280,999.27
  6. Step 6: Final answer
    x = 966,371.74

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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.