Home / 1,280,367.37-1,766,977.84-707,395.24

Finding the Fourth Proportional to 1,280,367.37, 1,766,977.84 and 707,395.24

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Solution

The fourth proportional to 1,280,367.37, 1,766,977.84 and 707,395.24 is: 976,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,367.37 : 1,766,977.84 = 707,395.24 : x
  2. Step 2: Convert to fraction form
    1,280,367.37/1,766,977.84 = 707,395.24/x
  3. Step 3: Cross multiply
    1,280,367.37x = 1,766,977.84 × 707,395.24
  4. Step 4: Simplify right side
    1,280,367.37x = 1,249,951,704,366.59
  5. Step 5: Solve for x
    x = 1,249,951,704,366.59/1,280,367.37
  6. Step 6: Final answer
    x = 976,244.58

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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.