Home / 1,455,101.82-2,007,318.51-972,314.28

Finding the Fourth Proportional to 1,455,101.82, 2,007,318.51 and 972,314.28

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Solution

The fourth proportional to 1,455,101.82, 2,007,318.51 and 972,314.28 is: 1,341,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,101.82 : 2,007,318.51 = 972,314.28 : x
  2. Step 2: Convert to fraction form
    1,455,101.82/2,007,318.51 = 972,314.28/x
  3. Step 3: Cross multiply
    1,455,101.82x = 2,007,318.51 × 972,314.28
  4. Step 4: Simplify right side
    1,455,101.82x = 1,951,744,451,781.32
  5. Step 5: Solve for x
    x = 1,951,744,451,781.32/1,455,101.82
  6. Step 6: Final answer
    x = 1,341,311.26

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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.