Home / 1,088,806.80-1,630,016.43-763,466.79

Finding the Fourth Proportional to 1,088,806.80, 1,630,016.43 and 763,466.79

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Solution

The fourth proportional to 1,088,806.80, 1,630,016.43 and 763,466.79 is: 1,142,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,806.80 : 1,630,016.43 = 763,466.79 : x
  2. Step 2: Convert to fraction form
    1,088,806.80/1,630,016.43 = 763,466.79/x
  3. Step 3: Cross multiply
    1,088,806.80x = 1,630,016.43 × 763,466.79
  4. Step 4: Simplify right side
    1,088,806.80x = 1,244,463,411,459.36
  5. Step 5: Solve for x
    x = 1,244,463,411,459.36/1,088,806.80
  6. Step 6: Final answer
    x = 1,142,960.73

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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.