Home / 1,680,351.30-2,318,486.20-955,141.92

Finding the Fourth Proportional to 1,680,351.30, 2,318,486.20 and 955,141.92

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Solution

The fourth proportional to 1,680,351.30, 2,318,486.20 and 955,141.92 is: 1,317,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,351.30 : 2,318,486.20 = 955,141.92 : x
  2. Step 2: Convert to fraction form
    1,680,351.30/2,318,486.20 = 955,141.92/x
  3. Step 3: Cross multiply
    1,680,351.30x = 2,318,486.20 × 955,141.92
  4. Step 4: Simplify right side
    1,680,351.30x = 2,214,483,358,173.65
  5. Step 5: Solve for x
    x = 2,214,483,358,173.65/1,680,351.30
  6. Step 6: Final answer
    x = 1,317,869.28

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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.