Home / 1,208,683.53-1,812,828.24-355,555.65

Finding the Fourth Proportional to 1,208,683.53, 1,812,828.24 and 355,555.65

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Solution

The fourth proportional to 1,208,683.53, 1,812,828.24 and 355,555.65 is: 533,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,683.53 : 1,812,828.24 = 355,555.65 : x
  2. Step 2: Convert to fraction form
    1,208,683.53/1,812,828.24 = 355,555.65/x
  3. Step 3: Cross multiply
    1,208,683.53x = 1,812,828.24 × 355,555.65
  4. Step 4: Simplify right side
    1,208,683.53x = 644,561,323,211.56
  5. Step 5: Solve for x
    x = 644,561,323,211.56/1,208,683.53
  6. Step 6: Final answer
    x = 533,275.51

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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.