Home / 1,048,421.24-1,572,447.33-279,928.51

Finding the Fourth Proportional to 1,048,421.24, 1,572,447.33 and 279,928.51

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Solution

The fourth proportional to 1,048,421.24, 1,572,447.33 and 279,928.51 is: 419,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,421.24 : 1,572,447.33 = 279,928.51 : x
  2. Step 2: Convert to fraction form
    1,048,421.24/1,572,447.33 = 279,928.51/x
  3. Step 3: Cross multiply
    1,048,421.24x = 1,572,447.33 × 279,928.51
  4. Step 4: Simplify right side
    1,048,421.24x = 440,172,834,209.26
  5. Step 5: Solve for x
    x = 440,172,834,209.26/1,048,421.24
  6. Step 6: Final answer
    x = 419,843.49

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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.