Home / 1,018,846.82-1,406,016.19-559,969.20

Finding the Fourth Proportional to 1,018,846.82, 1,406,016.19 and 559,969.20

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Solution

The fourth proportional to 1,018,846.82, 1,406,016.19 and 559,969.20 is: 772,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,846.82 : 1,406,016.19 = 559,969.20 : x
  2. Step 2: Convert to fraction form
    1,018,846.82/1,406,016.19 = 559,969.20/x
  3. Step 3: Cross multiply
    1,018,846.82x = 1,406,016.19 × 559,969.20
  4. Step 4: Simplify right side
    1,018,846.82x = 787,325,761,801.31
  5. Step 5: Solve for x
    x = 787,325,761,801.31/1,018,846.82
  6. Step 6: Final answer
    x = 772,761.66

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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.