Home / 1,420,936.08-2,131,581.49-556,259.32

Finding the Fourth Proportional to 1,420,936.08, 2,131,581.49 and 556,259.32

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Solution

The fourth proportional to 1,420,936.08, 2,131,581.49 and 556,259.32 is: 834,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,936.08 : 2,131,581.49 = 556,259.32 : x
  2. Step 2: Convert to fraction form
    1,420,936.08/2,131,581.49 = 556,259.32/x
  3. Step 3: Cross multiply
    1,420,936.08x = 2,131,581.49 × 556,259.32
  4. Step 4: Simplify right side
    1,420,936.08x = 1,185,712,070,089.72
  5. Step 5: Solve for x
    x = 1,185,712,070,089.72/1,420,936.08
  6. Step 6: Final answer
    x = 834,458.41

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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.