Home / 1,585,637.55-2,188,181.21-860,485.25

Finding the Fourth Proportional to 1,585,637.55, 2,188,181.21 and 860,485.25

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Solution

The fourth proportional to 1,585,637.55, 2,188,181.21 and 860,485.25 is: 1,187,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,637.55 : 2,188,181.21 = 860,485.25 : x
  2. Step 2: Convert to fraction form
    1,585,637.55/2,188,181.21 = 860,485.25/x
  3. Step 3: Cross multiply
    1,585,637.55x = 2,188,181.21 × 860,485.25
  4. Step 4: Simplify right side
    1,585,637.55x = 1,882,897,640,288.82
  5. Step 5: Solve for x
    x = 1,882,897,640,288.82/1,585,637.55
  6. Step 6: Final answer
    x = 1,187,470.39

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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.