Home / 1,145,271.96-1,717,624.06-387,096.57

Finding the Fourth Proportional to 1,145,271.96, 1,717,624.06 and 387,096.57

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Solution

The fourth proportional to 1,145,271.96, 1,717,624.06 and 387,096.57 is: 580,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,271.96 : 1,717,624.06 = 387,096.57 : x
  2. Step 2: Convert to fraction form
    1,145,271.96/1,717,624.06 = 387,096.57/x
  3. Step 3: Cross multiply
    1,145,271.96x = 1,717,624.06 × 387,096.57
  4. Step 4: Simplify right side
    1,145,271.96x = 664,886,381,207.73
  5. Step 5: Solve for x
    x = 664,886,381,207.73/1,145,271.96
  6. Step 6: Final answer
    x = 580,548.90

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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.