Home / 1,149,946.80-1,724,920.20-520,090.80

Finding the Fourth Proportional to 1,149,946.80, 1,724,920.20 and 520,090.80

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Solution

The fourth proportional to 1,149,946.80, 1,724,920.20 and 520,090.80 is: 780,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,946.80 : 1,724,920.20 = 520,090.80 : x
  2. Step 2: Convert to fraction form
    1,149,946.80/1,724,920.20 = 520,090.80/x
  3. Step 3: Cross multiply
    1,149,946.80x = 1,724,920.20 × 520,090.80
  4. Step 4: Simplify right side
    1,149,946.80x = 897,115,126,754.16
  5. Step 5: Solve for x
    x = 897,115,126,754.16/1,149,946.80
  6. Step 6: Final answer
    x = 780,136.20

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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.