Home / 1,306,456.52-1,802,938.50-717,763.55

Finding the Fourth Proportional to 1,306,456.52, 1,802,938.50 and 717,763.55

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Solution

The fourth proportional to 1,306,456.52, 1,802,938.50 and 717,763.55 is: 990,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,456.52 : 1,802,938.50 = 717,763.55 : x
  2. Step 2: Convert to fraction form
    1,306,456.52/1,802,938.50 = 717,763.55/x
  3. Step 3: Cross multiply
    1,306,456.52x = 1,802,938.50 × 717,763.55
  4. Step 4: Simplify right side
    1,306,456.52x = 1,294,083,529,176.98
  5. Step 5: Solve for x
    x = 1,294,083,529,176.98/1,306,456.52
  6. Step 6: Final answer
    x = 990,529.36

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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.