Home / 1,280,472.97-1,767,031.35-699,683.34

Finding the Fourth Proportional to 1,280,472.97, 1,767,031.35 and 699,683.34

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Solution

The fourth proportional to 1,280,472.97, 1,767,031.35 and 699,683.34 is: 965,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,472.97 : 1,767,031.35 = 699,683.34 : x
  2. Step 2: Convert to fraction form
    1,280,472.97/1,767,031.35 = 699,683.34/x
  3. Step 3: Cross multiply
    1,280,472.97x = 1,767,031.35 × 699,683.34
  4. Step 4: Simplify right side
    1,280,472.97x = 1,236,362,386,268.34
  5. Step 5: Solve for x
    x = 1,236,362,386,268.34/1,280,472.97
  6. Step 6: Final answer
    x = 965,551.34

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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.