Home / 1,040,390.40-1,560,812.40-591,326.40

Finding the Fourth Proportional to 1,040,390.40, 1,560,812.40 and 591,326.40

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Solution

The fourth proportional to 1,040,390.40, 1,560,812.40 and 591,326.40 is: 887,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,390.40 : 1,560,812.40 = 591,326.40 : x
  2. Step 2: Convert to fraction form
    1,040,390.40/1,560,812.40 = 591,326.40/x
  3. Step 3: Cross multiply
    1,040,390.40x = 1,560,812.40 × 591,326.40
  4. Step 4: Simplify right side
    1,040,390.40x = 922,949,577,567.36
  5. Step 5: Solve for x
    x = 922,949,577,567.36/1,040,390.40
  6. Step 6: Final answer
    x = 887,118.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.