Home / 1,159,630.80-1,738,063.80-485,710.80

Finding the Fourth Proportional to 1,159,630.80, 1,738,063.80 and 485,710.80

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Solution

The fourth proportional to 1,159,630.80, 1,738,063.80 and 485,710.80 is: 727,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,630.80 : 1,738,063.80 = 485,710.80 : x
  2. Step 2: Convert to fraction form
    1,159,630.80/1,738,063.80 = 485,710.80/x
  3. Step 3: Cross multiply
    1,159,630.80x = 1,738,063.80 × 485,710.80
  4. Step 4: Simplify right side
    1,159,630.80x = 844,196,358,749.04
  5. Step 5: Solve for x
    x = 844,196,358,749.04/1,159,630.80
  6. Step 6: Final answer
    x = 727,987.18

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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.