Home / 1,585,995.34-2,188,675.77-860,843.21

Finding the Fourth Proportional to 1,585,995.34, 2,188,675.77 and 860,843.21

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Solution

The fourth proportional to 1,585,995.34, 2,188,675.77 and 860,843.21 is: 1,187,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,995.34 : 2,188,675.77 = 860,843.21 : x
  2. Step 2: Convert to fraction form
    1,585,995.34/2,188,675.77 = 860,843.21/x
  3. Step 3: Cross multiply
    1,585,995.34x = 2,188,675.77 × 860,843.21
  4. Step 4: Simplify right side
    1,585,995.34x = 1,884,106,675,496.02
  5. Step 5: Solve for x
    x = 1,884,106,675,496.02/1,585,995.34
  6. Step 6: Final answer
    x = 1,187,964.82

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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.