Home / 1,087,657.60-1,630,848.12-329,270.80

Finding the Fourth Proportional to 1,087,657.60, 1,630,848.12 and 329,270.80

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Solution

The fourth proportional to 1,087,657.60, 1,630,848.12 and 329,270.80 is: 493,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,657.60 : 1,630,848.12 = 329,270.80 : x
  2. Step 2: Convert to fraction form
    1,087,657.60/1,630,848.12 = 329,270.80/x
  3. Step 3: Cross multiply
    1,087,657.60x = 1,630,848.12 × 329,270.80
  4. Step 4: Simplify right side
    1,087,657.60x = 536,990,665,150.90
  5. Step 5: Solve for x
    x = 536,990,665,150.90/1,087,657.60
  6. Step 6: Final answer
    x = 493,712.97

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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.