Home / 1,102,002.20-1,653,003.30-392,053.40

Finding the Fourth Proportional to 1,102,002.20, 1,653,003.30 and 392,053.40

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Solution

The fourth proportional to 1,102,002.20, 1,653,003.30 and 392,053.40 is: 588,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,002.20 : 1,653,003.30 = 392,053.40 : x
  2. Step 2: Convert to fraction form
    1,102,002.20/1,653,003.30 = 392,053.40/x
  3. Step 3: Cross multiply
    1,102,002.20x = 1,653,003.30 × 392,053.40
  4. Step 4: Simplify right side
    1,102,002.20x = 648,065,563,976.22
  5. Step 5: Solve for x
    x = 648,065,563,976.22/1,102,002.20
  6. Step 6: Final answer
    x = 588,080.10

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Double scale
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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.