Home / 1,102,004.70-1,653,007.05-392,055.90

Finding the Fourth Proportional to 1,102,004.70, 1,653,007.05 and 392,055.90

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Solution

The fourth proportional to 1,102,004.70, 1,653,007.05 and 392,055.90 is: 588,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,004.70 : 1,653,007.05 = 392,055.90 : x
  2. Step 2: Convert to fraction form
    1,102,004.70/1,653,007.05 = 392,055.90/x
  3. Step 3: Cross multiply
    1,102,004.70x = 1,653,007.05 × 392,055.90
  4. Step 4: Simplify right side
    1,102,004.70x = 648,071,166,694.10
  5. Step 5: Solve for x
    x = 648,071,166,694.10/1,102,004.70
  6. Step 6: Final answer
    x = 588,083.85

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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.