Home / 1,380,835.04-2,070,289.92-611,914.04

Finding the Fourth Proportional to 1,380,835.04, 2,070,289.92 and 611,914.04

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Solution

The fourth proportional to 1,380,835.04, 2,070,289.92 and 611,914.04 is: 917,444.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,835.04 : 2,070,289.92 = 611,914.04 : x
  2. Step 2: Convert to fraction form
    1,380,835.04/2,070,289.92 = 611,914.04/x
  3. Step 3: Cross multiply
    1,380,835.04x = 2,070,289.92 × 611,914.04
  4. Step 4: Simplify right side
    1,380,835.04x = 1,266,839,468,918.48
  5. Step 5: Solve for x
    x = 1,266,839,468,918.48/1,380,835.04
  6. Step 6: Final answer
    x = 917,444.47

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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.