Home / 1,217,940.29-1,823,270.55-736,711.74

Finding the Fourth Proportional to 1,217,940.29, 1,823,270.55 and 736,711.74

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Solution

The fourth proportional to 1,217,940.29, 1,823,270.55 and 736,711.74 is: 1,102,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,940.29 : 1,823,270.55 = 736,711.74 : x
  2. Step 2: Convert to fraction form
    1,217,940.29/1,823,270.55 = 736,711.74/x
  3. Step 3: Cross multiply
    1,217,940.29x = 1,823,270.55 × 736,711.74
  4. Step 4: Simplify right side
    1,217,940.29x = 1,343,224,816,618.59
  5. Step 5: Solve for x
    x = 1,343,224,816,618.59/1,217,940.29
  6. Step 6: Final answer
    x = 1,102,865.90

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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.