Home / 1,221,095.82-1,831,731.20-322,528.62

Finding the Fourth Proportional to 1,221,095.82, 1,831,731.20 and 322,528.62

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Solution

The fourth proportional to 1,221,095.82, 1,831,731.20 and 322,528.62 is: 483,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,095.82 : 1,831,731.20 = 322,528.62 : x
  2. Step 2: Convert to fraction form
    1,221,095.82/1,831,731.20 = 322,528.62/x
  3. Step 3: Cross multiply
    1,221,095.82x = 1,831,731.20 × 322,528.62
  4. Step 4: Simplify right side
    1,221,095.82x = 590,785,736,146.94
  5. Step 5: Solve for x
    x = 590,785,736,146.94/1,221,095.82
  6. Step 6: Final answer
    x = 483,816.03

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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.