Home / 1,275,980.64-1,760,837.03-695,227.95

Finding the Fourth Proportional to 1,275,980.64, 1,760,837.03 and 695,227.95

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Solution

The fourth proportional to 1,275,980.64, 1,760,837.03 and 695,227.95 is: 959,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,980.64 : 1,760,837.03 = 695,227.95 : x
  2. Step 2: Convert to fraction form
    1,275,980.64/1,760,837.03 = 695,227.95/x
  3. Step 3: Cross multiply
    1,275,980.64x = 1,760,837.03 × 695,227.95
  4. Step 4: Simplify right side
    1,275,980.64x = 1,224,183,117,781.95
  5. Step 5: Solve for x
    x = 1,224,183,117,781.95/1,275,980.64
  6. Step 6: Final answer
    x = 959,405.72

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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.