Home / 824,416.60-1,236,624.90-743,060.20

Finding the Fourth Proportional to 824,416.60, 1,236,624.90 and 743,060.20

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Solution

The fourth proportional to 824,416.60, 1,236,624.90 and 743,060.20 is: 1,114,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,416.60 : 1,236,624.90 = 743,060.20 : x
  2. Step 2: Convert to fraction form
    824,416.60/1,236,624.90 = 743,060.20/x
  3. Step 3: Cross multiply
    824,416.60x = 1,236,624.90 × 743,060.20
  4. Step 4: Simplify right side
    824,416.60x = 918,886,745,518.98
  5. Step 5: Solve for x
    x = 918,886,745,518.98/824,416.60
  6. Step 6: Final answer
    x = 1,114,590.30

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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.