Home / 1,036,639.18-1,431,291.49-727,199.64

Finding the Fourth Proportional to 1,036,639.18, 1,431,291.49 and 727,199.64

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Solution

The fourth proportional to 1,036,639.18, 1,431,291.49 and 727,199.64 is: 1,004,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,639.18 : 1,431,291.49 = 727,199.64 : x
  2. Step 2: Convert to fraction form
    1,036,639.18/1,431,291.49 = 727,199.64/x
  3. Step 3: Cross multiply
    1,036,639.18x = 1,431,291.49 × 727,199.64
  4. Step 4: Simplify right side
    1,036,639.18x = 1,040,834,656,263.06
  5. Step 5: Solve for x
    x = 1,040,834,656,263.06/1,036,639.18
  6. Step 6: Final answer
    x = 1,004,047.19

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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.