Home / 1,702,078.20-2,553,117.30-860,520.60

Finding the Fourth Proportional to 1,702,078.20, 2,553,117.30 and 860,520.60

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Solution

The fourth proportional to 1,702,078.20, 2,553,117.30 and 860,520.60 is: 1,290,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,078.20 : 2,553,117.30 = 860,520.60 : x
  2. Step 2: Convert to fraction form
    1,702,078.20/2,553,117.30 = 860,520.60/x
  3. Step 3: Cross multiply
    1,702,078.20x = 2,553,117.30 × 860,520.60
  4. Step 4: Simplify right side
    1,702,078.20x = 2,197,010,030,866.38
  5. Step 5: Solve for x
    x = 2,197,010,030,866.38/1,702,078.20
  6. Step 6: Final answer
    x = 1,290,780.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.