Home / 1,333,464.04-1,840,180.28-721,616.70

Finding the Fourth Proportional to 1,333,464.04, 1,840,180.28 and 721,616.70

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Solution

The fourth proportional to 1,333,464.04, 1,840,180.28 and 721,616.70 is: 995,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,464.04 : 1,840,180.28 = 721,616.70 : x
  2. Step 2: Convert to fraction form
    1,333,464.04/1,840,180.28 = 721,616.70/x
  3. Step 3: Cross multiply
    1,333,464.04x = 1,840,180.28 × 721,616.70
  4. Step 4: Simplify right side
    1,333,464.04x = 1,327,904,821,058.68
  5. Step 5: Solve for x
    x = 1,327,904,821,058.68/1,333,464.04
  6. Step 6: Final answer
    x = 995,830.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.