Home / 1,106,708.70-1,661,555.61-708,127.50

Finding the Fourth Proportional to 1,106,708.70, 1,661,555.61 and 708,127.50

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Solution

The fourth proportional to 1,106,708.70, 1,661,555.61 and 708,127.50 is: 1,063,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,708.70 : 1,661,555.61 = 708,127.50 : x
  2. Step 2: Convert to fraction form
    1,106,708.70/1,661,555.61 = 708,127.50/x
  3. Step 3: Cross multiply
    1,106,708.70x = 1,661,555.61 × 708,127.50
  4. Step 4: Simplify right side
    1,106,708.70x = 1,176,593,220,220.28
  5. Step 5: Solve for x
    x = 1,176,593,220,220.28/1,106,708.70
  6. Step 6: Final answer
    x = 1,063,146.26

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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.