Home / 1,585,638.55-2,188,182.59-860,486.25

Finding the Fourth Proportional to 1,585,638.55, 2,188,182.59 and 860,486.25

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Solution

The fourth proportional to 1,585,638.55, 2,188,182.59 and 860,486.25 is: 1,187,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,638.55 : 2,188,182.59 = 860,486.25 : x
  2. Step 2: Convert to fraction form
    1,585,638.55/2,188,182.59 = 860,486.25/x
  3. Step 3: Cross multiply
    1,585,638.55x = 2,188,182.59 × 860,486.25
  4. Step 4: Simplify right side
    1,585,638.55x = 1,882,901,031,184.39
  5. Step 5: Solve for x
    x = 1,882,901,031,184.39/1,585,638.55
  6. Step 6: Final answer
    x = 1,187,471.78

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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.