Home / 1,275,906.16-1,761,005.51-732,409.39

Finding the Fourth Proportional to 1,275,906.16, 1,761,005.51 and 732,409.39

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Solution

The fourth proportional to 1,275,906.16, 1,761,005.51 and 732,409.39 is: 1,010,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,906.16 : 1,761,005.51 = 732,409.39 : x
  2. Step 2: Convert to fraction form
    1,275,906.16/1,761,005.51 = 732,409.39/x
  3. Step 3: Cross multiply
    1,275,906.16x = 1,761,005.51 × 732,409.39
  4. Step 4: Simplify right side
    1,275,906.16x = 1,289,776,971,365.74
  5. Step 5: Solve for x
    x = 1,289,776,971,365.74/1,275,906.16
  6. Step 6: Final answer
    x = 1,010,871.34

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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.