Home / 1,275,902.16-1,760,999.99-732,405.39

Finding the Fourth Proportional to 1,275,902.16, 1,760,999.99 and 732,405.39

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Solution

The fourth proportional to 1,275,902.16, 1,760,999.99 and 732,405.39 is: 1,010,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,902.16 : 1,760,999.99 = 732,405.39 : x
  2. Step 2: Convert to fraction form
    1,275,902.16/1,760,999.99 = 732,405.39/x
  3. Step 3: Cross multiply
    1,275,902.16x = 1,760,999.99 × 732,405.39
  4. Step 4: Simplify right side
    1,275,902.16x = 1,289,765,880,803.92
  5. Step 5: Solve for x
    x = 1,289,765,880,803.92/1,275,902.16
  6. Step 6: Final answer
    x = 1,010,865.82

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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.