Home / 1,272,592.46-1,756,132.73-699,628.23

Finding the Fourth Proportional to 1,272,592.46, 1,756,132.73 and 699,628.23

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Solution

The fourth proportional to 1,272,592.46, 1,756,132.73 and 699,628.23 is: 965,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,592.46 : 1,756,132.73 = 699,628.23 : x
  2. Step 2: Convert to fraction form
    1,272,592.46/1,756,132.73 = 699,628.23/x
  3. Step 3: Cross multiply
    1,272,592.46x = 1,756,132.73 × 699,628.23
  4. Step 4: Simplify right side
    1,272,592.46x = 1,228,640,030,036.83
  5. Step 5: Solve for x
    x = 1,228,640,030,036.83/1,272,592.46
  6. Step 6: Final answer
    x = 965,462.29

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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.