Home / 1,585,615.82-2,188,155.60-860,463.38

Finding the Fourth Proportional to 1,585,615.82, 2,188,155.60 and 860,463.38

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Solution

The fourth proportional to 1,585,615.82, 2,188,155.60 and 860,463.38 is: 1,187,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,615.82 : 2,188,155.60 = 860,463.38 : x
  2. Step 2: Convert to fraction form
    1,585,615.82/2,188,155.60 = 860,463.38/x
  3. Step 3: Cross multiply
    1,585,615.82x = 2,188,155.60 × 860,463.38
  4. Step 4: Simplify right side
    1,585,615.82x = 1,882,827,763,541.93
  5. Step 5: Solve for x
    x = 1,882,827,763,541.93/1,585,615.82
  6. Step 6: Final answer
    x = 1,187,442.59

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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.