Home / 1,539,443.84-2,124,427.18-860,380.34

Finding the Fourth Proportional to 1,539,443.84, 2,124,427.18 and 860,380.34

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Solution

The fourth proportional to 1,539,443.84, 2,124,427.18 and 860,380.34 is: 1,187,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,443.84 : 2,124,427.18 = 860,380.34 : x
  2. Step 2: Convert to fraction form
    1,539,443.84/2,124,427.18 = 860,380.34/x
  3. Step 3: Cross multiply
    1,539,443.84x = 2,124,427.18 × 860,380.34
  4. Step 4: Simplify right side
    1,539,443.84x = 1,827,815,379,433.64
  5. Step 5: Solve for x
    x = 1,827,815,379,433.64/1,539,443.84
  6. Step 6: Final answer
    x = 1,187,321.90

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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.