Home / 1,585,628.58-2,188,168.86-860,476.31

Finding the Fourth Proportional to 1,585,628.58, 2,188,168.86 and 860,476.31

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Solution

The fourth proportional to 1,585,628.58, 2,188,168.86 and 860,476.31 is: 1,187,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,628.58 : 2,188,168.86 = 860,476.31 : x
  2. Step 2: Convert to fraction form
    1,585,628.58/2,188,168.86 = 860,476.31/x
  3. Step 3: Cross multiply
    1,585,628.58x = 2,188,168.86 × 860,476.31
  4. Step 4: Simplify right side
    1,585,628.58x = 1,882,867,466,309.71
  5. Step 5: Solve for x
    x = 1,882,867,466,309.71/1,585,628.58
  6. Step 6: Final answer
    x = 1,187,458.08

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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.