Home / 1,209,814.08-1,814,721.09-499,860.51

Finding the Fourth Proportional to 1,209,814.08, 1,814,721.09 and 499,860.51

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Solution

The fourth proportional to 1,209,814.08, 1,814,721.09 and 499,860.51 is: 749,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,814.08 : 1,814,721.09 = 499,860.51 : x
  2. Step 2: Convert to fraction form
    1,209,814.08/1,814,721.09 = 499,860.51/x
  3. Step 3: Cross multiply
    1,209,814.08x = 1,814,721.09 × 499,860.51
  4. Step 4: Simplify right side
    1,209,814.08x = 907,107,409,555.16
  5. Step 5: Solve for x
    x = 907,107,409,555.16/1,209,814.08
  6. Step 6: Final answer
    x = 749,790.75

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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.