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Finding the Fourth Proportional to 1,046,534, 1,570,035.04 and 381,686

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Solution

The fourth proportional to 1,046,534, 1,570,035.04 and 381,686 is: 572,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,534 : 1,570,035.04 = 381,686 : x
  2. Step 2: Convert to fraction form
    1,046,534/1,570,035.04 = 381,686/x
  3. Step 3: Cross multiply
    1,046,534x = 1,570,035.04 × 381,686
  4. Step 4: Simplify right side
    1,046,534x = 599,260,394,277.44
  5. Step 5: Solve for x
    x = 599,260,394,277.44/1,046,534
  6. Step 6: Final answer
    x = 572,614.36

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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.