Home / 1,221,485.60-1,831,369.96-538,048.16

Finding the Fourth Proportional to 1,221,485.60, 1,831,369.96 and 538,048.16

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Solution

The fourth proportional to 1,221,485.60, 1,831,369.96 and 538,048.16 is: 806,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,485.60 : 1,831,369.96 = 538,048.16 : x
  2. Step 2: Convert to fraction form
    1,221,485.60/1,831,369.96 = 538,048.16/x
  3. Step 3: Cross multiply
    1,221,485.60x = 1,831,369.96 × 538,048.16
  4. Step 4: Simplify right side
    1,221,485.60x = 985,365,237,257.27
  5. Step 5: Solve for x
    x = 985,365,237,257.27/1,221,485.60
  6. Step 6: Final answer
    x = 806,694.11

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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.