Home / 1,102,003.70-1,653,005.55-392,054.90

Finding the Fourth Proportional to 1,102,003.70, 1,653,005.55 and 392,054.90

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Solution

The fourth proportional to 1,102,003.70, 1,653,005.55 and 392,054.90 is: 588,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,003.70 : 1,653,005.55 = 392,054.90 : x
  2. Step 2: Convert to fraction form
    1,102,003.70/1,653,005.55 = 392,054.90/x
  3. Step 3: Cross multiply
    1,102,003.70x = 1,653,005.55 × 392,054.90
  4. Step 4: Simplify right side
    1,102,003.70x = 648,068,925,604.70
  5. Step 5: Solve for x
    x = 648,068,925,604.70/1,102,003.70
  6. Step 6: Final answer
    x = 588,082.35

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Similar ratio
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1.5x scale

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.