Home / 1,539,388.82-2,124,359.65-860,325.30

Finding the Fourth Proportional to 1,539,388.82, 2,124,359.65 and 860,325.30

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Solution

The fourth proportional to 1,539,388.82, 2,124,359.65 and 860,325.30 is: 1,187,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,388.82 : 2,124,359.65 = 860,325.30 : x
  2. Step 2: Convert to fraction form
    1,539,388.82/2,124,359.65 = 860,325.30/x
  3. Step 3: Cross multiply
    1,539,388.82x = 2,124,359.65 × 860,325.30
  4. Step 4: Simplify right side
    1,539,388.82x = 1,827,640,353,194.15
  5. Step 5: Solve for x
    x = 1,827,640,353,194.15/1,539,388.82
  6. Step 6: Final answer
    x = 1,187,250.63

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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.