Home / 1,432,179.04-1,976,459.05-820,450.03

Finding the Fourth Proportional to 1,432,179.04, 1,976,459.05 and 820,450.03

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Solution

The fourth proportional to 1,432,179.04, 1,976,459.05 and 820,450.03 is: 1,132,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,179.04 : 1,976,459.05 = 820,450.03 : x
  2. Step 2: Convert to fraction form
    1,432,179.04/1,976,459.05 = 820,450.03/x
  3. Step 3: Cross multiply
    1,432,179.04x = 1,976,459.05 × 820,450.03
  4. Step 4: Simplify right side
    1,432,179.04x = 1,621,585,882,041.52
  5. Step 5: Solve for x
    x = 1,621,585,882,041.52/1,432,179.04
  6. Step 6: Final answer
    x = 1,132,250.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.