Home / 1,249,873.77-1,874,907.87-408,510.57

Finding the Fourth Proportional to 1,249,873.77, 1,874,907.87 and 408,510.57

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Solution

The fourth proportional to 1,249,873.77, 1,874,907.87 and 408,510.57 is: 612,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,873.77 : 1,874,907.87 = 408,510.57 : x
  2. Step 2: Convert to fraction form
    1,249,873.77/1,874,907.87 = 408,510.57/x
  3. Step 3: Cross multiply
    1,249,873.77x = 1,874,907.87 × 408,510.57
  4. Step 4: Simplify right side
    1,249,873.77x = 765,919,682,671.19
  5. Step 5: Solve for x
    x = 765,919,682,671.19/1,249,873.77
  6. Step 6: Final answer
    x = 612,797.63

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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.