Home / 1,455,133.32-2,007,361.80-972,345.96

Finding the Fourth Proportional to 1,455,133.32, 2,007,361.80 and 972,345.96

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Solution

The fourth proportional to 1,455,133.32, 2,007,361.80 and 972,345.96 is: 1,341,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,133.32 : 2,007,361.80 = 972,345.96 : x
  2. Step 2: Convert to fraction form
    1,455,133.32/2,007,361.80 = 972,345.96/x
  3. Step 3: Cross multiply
    1,455,133.32x = 2,007,361.80 × 972,345.96
  4. Step 4: Simplify right side
    1,455,133.32x = 1,951,850,136,488.33
  5. Step 5: Solve for x
    x = 1,951,850,136,488.33/1,455,133.32
  6. Step 6: Final answer
    x = 1,341,354.85

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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.