Home / 1,686,486.50-2,525,676.25-964,639.82

Finding the Fourth Proportional to 1,686,486.50, 2,525,676.25 and 964,639.82

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Solution

The fourth proportional to 1,686,486.50, 2,525,676.25 and 964,639.82 is: 1,444,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,486.50 : 2,525,676.25 = 964,639.82 : x
  2. Step 2: Convert to fraction form
    1,686,486.50/2,525,676.25 = 964,639.82/x
  3. Step 3: Cross multiply
    1,686,486.50x = 2,525,676.25 × 964,639.82
  4. Step 4: Simplify right side
    1,686,486.50x = 2,436,367,883,178.28
  5. Step 5: Solve for x
    x = 2,436,367,883,178.28/1,686,486.50
  6. Step 6: Final answer
    x = 1,444,641.20

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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.