Home / 1,539,394.82-2,124,367.93-860,331.30

Finding the Fourth Proportional to 1,539,394.82, 2,124,367.93 and 860,331.30

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Solution

The fourth proportional to 1,539,394.82, 2,124,367.93 and 860,331.30 is: 1,187,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,394.82 : 2,124,367.93 = 860,331.30 : x
  2. Step 2: Convert to fraction form
    1,539,394.82/2,124,367.93 = 860,331.30/x
  3. Step 3: Cross multiply
    1,539,394.82x = 2,124,367.93 × 860,331.30
  4. Step 4: Simplify right side
    1,539,394.82x = 1,827,660,222,895.21
  5. Step 5: Solve for x
    x = 1,827,660,222,895.21/1,539,394.82
  6. Step 6: Final answer
    x = 1,187,258.91

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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.