Home / 830,732.80-1,246,406.40-800,012.80

Finding the Fourth Proportional to 830,732.80, 1,246,406.40 and 800,012.80

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Solution

The fourth proportional to 830,732.80, 1,246,406.40 and 800,012.80 is: 1,200,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,732.80 : 1,246,406.40 = 800,012.80 : x
  2. Step 2: Convert to fraction form
    830,732.80/1,246,406.40 = 800,012.80/x
  3. Step 3: Cross multiply
    830,732.80x = 1,246,406.40 × 800,012.80
  4. Step 4: Simplify right side
    830,732.80x = 997,141,074,001.92
  5. Step 5: Solve for x
    x = 997,141,074,001.92/830,732.80
  6. Step 6: Final answer
    x = 1,200,315.04

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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.