Home / 1,585,995.84-2,188,676.46-860,843.70

Finding the Fourth Proportional to 1,585,995.84, 2,188,676.46 and 860,843.70

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Solution

The fourth proportional to 1,585,995.84, 2,188,676.46 and 860,843.70 is: 1,187,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,995.84 : 2,188,676.46 = 860,843.70 : x
  2. Step 2: Convert to fraction form
    1,585,995.84/2,188,676.46 = 860,843.70/x
  3. Step 3: Cross multiply
    1,585,995.84x = 2,188,676.46 × 860,843.70
  4. Step 4: Simplify right side
    1,585,995.84x = 1,884,108,341,929.30
  5. Step 5: Solve for x
    x = 1,884,108,341,929.30/1,585,995.84
  6. Step 6: Final answer
    x = 1,187,965.50

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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.