Home / 1,473,128.91-2,209,786.77-462,290.73

Finding the Fourth Proportional to 1,473,128.91, 2,209,786.77 and 462,290.73

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Solution

The fourth proportional to 1,473,128.91, 2,209,786.77 and 462,290.73 is: 693,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,128.91 : 2,209,786.77 = 462,290.73 : x
  2. Step 2: Convert to fraction form
    1,473,128.91/2,209,786.77 = 462,290.73/x
  3. Step 3: Cross multiply
    1,473,128.91x = 2,209,786.77 × 462,290.73
  4. Step 4: Simplify right side
    1,473,128.91x = 1,021,563,939,047.64
  5. Step 5: Solve for x
    x = 1,021,563,939,047.64/1,473,128.91
  6. Step 6: Final answer
    x = 693,465.41

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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.