Home / 1,272,722.05-1,908,582.79-462,914.22

Finding the Fourth Proportional to 1,272,722.05, 1,908,582.79 and 462,914.22

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Solution

The fourth proportional to 1,272,722.05, 1,908,582.79 and 462,914.22 is: 694,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,722.05 : 1,908,582.79 = 462,914.22 : x
  2. Step 2: Convert to fraction form
    1,272,722.05/1,908,582.79 = 462,914.22/x
  3. Step 3: Cross multiply
    1,272,722.05x = 1,908,582.79 × 462,914.22
  4. Step 4: Simplify right side
    1,272,722.05x = 883,510,112,380.99
  5. Step 5: Solve for x
    x = 883,510,112,380.99/1,272,722.05
  6. Step 6: Final answer
    x = 694,189.37

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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.