Home / 1,221,735.12-1,831,866.36-547,694.40

Finding the Fourth Proportional to 1,221,735.12, 1,831,866.36 and 547,694.40

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Solution

The fourth proportional to 1,221,735.12, 1,831,866.36 and 547,694.40 is: 821,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,735.12 : 1,831,866.36 = 547,694.40 : x
  2. Step 2: Convert to fraction form
    1,221,735.12/1,831,866.36 = 547,694.40/x
  3. Step 3: Cross multiply
    1,221,735.12x = 1,831,866.36 × 547,694.40
  4. Step 4: Simplify right side
    1,221,735.12x = 1,003,302,946,920.38
  5. Step 5: Solve for x
    x = 1,003,302,946,920.38/1,221,735.12
  6. Step 6: Final answer
    x = 821,211.51

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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.