Home / 1,145,756.90-1,718,624.42-696,601.78

Finding the Fourth Proportional to 1,145,756.90, 1,718,624.42 and 696,601.78

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Solution

The fourth proportional to 1,145,756.90, 1,718,624.42 and 696,601.78 is: 1,044,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,756.90 : 1,718,624.42 = 696,601.78 : x
  2. Step 2: Convert to fraction form
    1,145,756.90/1,718,624.42 = 696,601.78/x
  3. Step 3: Cross multiply
    1,145,756.90x = 1,718,624.42 × 696,601.78
  4. Step 4: Simplify right side
    1,145,756.90x = 1,197,196,824,956.15
  5. Step 5: Solve for x
    x = 1,197,196,824,956.15/1,145,756.90
  6. Step 6: Final answer
    x = 1,044,896.02

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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.