Home / 904,071.42-1,352,869.20-782,911.62

Finding the Fourth Proportional to 904,071.42, 1,352,869.20 and 782,911.62

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Solution

The fourth proportional to 904,071.42, 1,352,869.20 and 782,911.62 is: 1,171,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,071.42 : 1,352,869.20 = 782,911.62 : x
  2. Step 2: Convert to fraction form
    904,071.42/1,352,869.20 = 782,911.62/x
  3. Step 3: Cross multiply
    904,071.42x = 1,352,869.20 × 782,911.62
  4. Step 4: Simplify right side
    904,071.42x = 1,059,177,017,020.10
  5. Step 5: Solve for x
    x = 1,059,177,017,020.10/904,071.42
  6. Step 6: Final answer
    x = 1,171,563.43

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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.