Home / 1,185,555.43-1,778,412.33-416,960.91

Finding the Fourth Proportional to 1,185,555.43, 1,778,412.33 and 416,960.91

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Solution

The fourth proportional to 1,185,555.43, 1,778,412.33 and 416,960.91 is: 625,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,555.43 : 1,778,412.33 = 416,960.91 : x
  2. Step 2: Convert to fraction form
    1,185,555.43/1,778,412.33 = 416,960.91/x
  3. Step 3: Cross multiply
    1,185,555.43x = 1,778,412.33 × 416,960.91
  4. Step 4: Simplify right side
    1,185,555.43x = 741,528,423,472.02
  5. Step 5: Solve for x
    x = 741,528,423,472.02/1,185,555.43
  6. Step 6: Final answer
    x = 625,469.21

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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.