Home / 1,085,635.26-1,625,878.71-860,271.03

Finding the Fourth Proportional to 1,085,635.26, 1,625,878.71 and 860,271.03

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Solution

The fourth proportional to 1,085,635.26, 1,625,878.71 and 860,271.03 is: 1,288,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,635.26 : 1,625,878.71 = 860,271.03 : x
  2. Step 2: Convert to fraction form
    1,085,635.26/1,625,878.71 = 860,271.03/x
  3. Step 3: Cross multiply
    1,085,635.26x = 1,625,878.71 × 860,271.03
  4. Step 4: Simplify right side
    1,085,635.26x = 1,398,696,352,506.77
  5. Step 5: Solve for x
    x = 1,398,696,352,506.77/1,085,635.26
  6. Step 6: Final answer
    x = 1,288,366.73

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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.