Home / 1,287,018.24-1,776,085.38-714,057.03

Finding the Fourth Proportional to 1,287,018.24, 1,776,085.38 and 714,057.03

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Solution

The fourth proportional to 1,287,018.24, 1,776,085.38 and 714,057.03 is: 985,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,018.24 : 1,776,085.38 = 714,057.03 : x
  2. Step 2: Convert to fraction form
    1,287,018.24/1,776,085.38 = 714,057.03/x
  3. Step 3: Cross multiply
    1,287,018.24x = 1,776,085.38 × 714,057.03
  4. Step 4: Simplify right side
    1,287,018.24x = 1,268,226,251,469.22
  5. Step 5: Solve for x
    x = 1,268,226,251,469.22/1,287,018.24
  6. Step 6: Final answer
    x = 985,398.82

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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.