Home / 1,159,964.60-1,740,624.30-485,988.32

Finding the Fourth Proportional to 1,159,964.60, 1,740,624.30 and 485,988.32

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Solution

The fourth proportional to 1,159,964.60, 1,740,624.30 and 485,988.32 is: 729,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,964.60 : 1,740,624.30 = 485,988.32 : x
  2. Step 2: Convert to fraction form
    1,159,964.60/1,740,624.30 = 485,988.32/x
  3. Step 3: Cross multiply
    1,159,964.60x = 1,740,624.30 × 485,988.32
  4. Step 4: Simplify right side
    1,159,964.60x = 845,923,079,308.18
  5. Step 5: Solve for x
    x = 845,923,079,308.18/1,159,964.60
  6. Step 6: Final answer
    x = 729,266.29

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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.