Home / 1,107,288.20-1,660,932.30-547,416.20

Finding the Fourth Proportional to 1,107,288.20, 1,660,932.30 and 547,416.20

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Solution

The fourth proportional to 1,107,288.20, 1,660,932.30 and 547,416.20 is: 821,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,288.20 : 1,660,932.30 = 547,416.20 : x
  2. Step 2: Convert to fraction form
    1,107,288.20/1,660,932.30 = 547,416.20/x
  3. Step 3: Cross multiply
    1,107,288.20x = 1,660,932.30 × 547,416.20
  4. Step 4: Simplify right side
    1,107,288.20x = 909,221,248,123.26
  5. Step 5: Solve for x
    x = 909,221,248,123.26/1,107,288.20
  6. Step 6: Final answer
    x = 821,124.30

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Double scale
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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.