Home / 1,036,658.18-1,431,317.71-727,218.64

Finding the Fourth Proportional to 1,036,658.18, 1,431,317.71 and 727,218.64

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Solution

The fourth proportional to 1,036,658.18, 1,431,317.71 and 727,218.64 is: 1,004,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,658.18 : 1,431,317.71 = 727,218.64 : x
  2. Step 2: Convert to fraction form
    1,036,658.18/1,431,317.71 = 727,218.64/x
  3. Step 3: Cross multiply
    1,036,658.18x = 1,431,317.71 × 727,218.64
  4. Step 4: Simplify right side
    1,036,658.18x = 1,040,880,918,474.11
  5. Step 5: Solve for x
    x = 1,040,880,918,474.11/1,036,658.18
  6. Step 6: Final answer
    x = 1,004,073.41

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Double scale
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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.