Home / 892,349.30-1,340,994.26-870,717.89

Finding the Fourth Proportional to 892,349.30, 1,340,994.26 and 870,717.89

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Solution

The fourth proportional to 892,349.30, 1,340,994.26 and 870,717.89 is: 1,308,487.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,349.30 : 1,340,994.26 = 870,717.89 : x
  2. Step 2: Convert to fraction form
    892,349.30/1,340,994.26 = 870,717.89/x
  3. Step 3: Cross multiply
    892,349.30x = 1,340,994.26 × 870,717.89
  4. Step 4: Simplify right side
    892,349.30x = 1,167,627,681,510.75
  5. Step 5: Solve for x
    x = 1,167,627,681,510.75/892,349.30
  6. Step 6: Final answer
    x = 1,308,487.26

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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.