Home / 1,272,722.09-1,908,582.86-462,914.27

Finding the Fourth Proportional to 1,272,722.09, 1,908,582.86 and 462,914.27

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Solution

The fourth proportional to 1,272,722.09, 1,908,582.86 and 462,914.27 is: 694,189.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,722.09 : 1,908,582.86 = 462,914.27 : x
  2. Step 2: Convert to fraction form
    1,272,722.09/1,908,582.86 = 462,914.27/x
  3. Step 3: Cross multiply
    1,272,722.09x = 1,908,582.86 × 462,914.27
  4. Step 4: Simplify right side
    1,272,722.09x = 883,510,229,513.93
  5. Step 5: Solve for x
    x = 883,510,229,513.93/1,272,722.09
  6. Step 6: Final answer
    x = 694,189.44

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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.