Home / 1,161,349-1,742,133.42-451,431.88

Finding the Fourth Proportional to 1,161,349, 1,742,133.42 and 451,431.88

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Solution

The fourth proportional to 1,161,349, 1,742,133.42 and 451,431.88 is: 677,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,349 : 1,742,133.42 = 451,431.88 : x
  2. Step 2: Convert to fraction form
    1,161,349/1,742,133.42 = 451,431.88/x
  3. Step 3: Cross multiply
    1,161,349x = 1,742,133.42 × 451,431.88
  4. Step 4: Simplify right side
    1,161,349x = 786,454,565,001.43
  5. Step 5: Solve for x
    x = 786,454,565,001.43/1,161,349
  6. Step 6: Final answer
    x = 677,190.55

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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.