Home / 1,280,364.57-1,766,855.43-707,392.44

Finding the Fourth Proportional to 1,280,364.57, 1,766,855.43 and 707,392.44

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Solution

The fourth proportional to 1,280,364.57, 1,766,855.43 and 707,392.44 is: 976,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,364.57 : 1,766,855.43 = 707,392.44 : x
  2. Step 2: Convert to fraction form
    1,280,364.57/1,766,855.43 = 707,392.44/x
  3. Step 3: Cross multiply
    1,280,364.57x = 1,766,855.43 × 707,392.44
  4. Step 4: Simplify right side
    1,280,364.57x = 1,249,860,173,754.95
  5. Step 5: Solve for x
    x = 1,249,860,173,754.95/1,280,364.57
  6. Step 6: Final answer
    x = 976,175.23

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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.