Home / 1,513,928.34-2,270,505.78-448,721.28

Finding the Fourth Proportional to 1,513,928.34, 2,270,505.78 and 448,721.28

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Solution

The fourth proportional to 1,513,928.34, 2,270,505.78 and 448,721.28 is: 672,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,928.34 : 2,270,505.78 = 448,721.28 : x
  2. Step 2: Convert to fraction form
    1,513,928.34/2,270,505.78 = 448,721.28/x
  3. Step 3: Cross multiply
    1,513,928.34x = 2,270,505.78 × 448,721.28
  4. Step 4: Simplify right side
    1,513,928.34x = 1,018,824,259,849.00
  5. Step 5: Solve for x
    x = 1,018,824,259,849.00/1,513,928.34
  6. Step 6: Final answer
    x = 672,967.30

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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.