Home / 1,088,961.30-1,630,331.55-976,986.90

Finding the Fourth Proportional to 1,088,961.30, 1,630,331.55 and 976,986.90

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Solution

The fourth proportional to 1,088,961.30, 1,630,331.55 and 976,986.90 is: 1,462,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,961.30 : 1,630,331.55 = 976,986.90 : x
  2. Step 2: Convert to fraction form
    1,088,961.30/1,630,331.55 = 976,986.90/x
  3. Step 3: Cross multiply
    1,088,961.30x = 1,630,331.55 × 976,986.90
  4. Step 4: Simplify right side
    1,088,961.30x = 1,592,812,567,006.70
  5. Step 5: Solve for x
    x = 1,592,812,567,006.70/1,088,961.30
  6. Step 6: Final answer
    x = 1,462,689.78

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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.