Home / 1,585,580.23-2,188,100.73-860,427.95

Finding the Fourth Proportional to 1,585,580.23, 2,188,100.73 and 860,427.95

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Solution

The fourth proportional to 1,585,580.23, 2,188,100.73 and 860,427.95 is: 1,187,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,580.23 : 2,188,100.73 = 860,427.95 : x
  2. Step 2: Convert to fraction form
    1,585,580.23/2,188,100.73 = 860,427.95/x
  3. Step 3: Cross multiply
    1,585,580.23x = 2,188,100.73 × 860,427.95
  4. Step 4: Simplify right side
    1,585,580.23x = 1,882,703,025,507.40
  5. Step 5: Solve for x
    x = 1,882,703,025,507.40/1,585,580.23
  6. Step 6: Final answer
    x = 1,187,390.58

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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.