Home / 1,088,809.12-1,630,019.90-763,469.11

Finding the Fourth Proportional to 1,088,809.12, 1,630,019.90 and 763,469.11

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Solution

The fourth proportional to 1,088,809.12, 1,630,019.90 and 763,469.11 is: 1,142,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,809.12 : 1,630,019.90 = 763,469.11 : x
  2. Step 2: Convert to fraction form
    1,088,809.12/1,630,019.90 = 763,469.11/x
  3. Step 3: Cross multiply
    1,088,809.12x = 1,630,019.90 × 763,469.11
  4. Step 4: Simplify right side
    1,088,809.12x = 1,244,469,830,367.84
  5. Step 5: Solve for x
    x = 1,244,469,830,367.84/1,088,809.12
  6. Step 6: Final answer
    x = 1,142,964.19

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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.