Home / 1,107,684.60-1,661,526.90-708,775.80

Finding the Fourth Proportional to 1,107,684.60, 1,661,526.90 and 708,775.80

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Solution

The fourth proportional to 1,107,684.60, 1,661,526.90 and 708,775.80 is: 1,063,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,684.60 : 1,661,526.90 = 708,775.80 : x
  2. Step 2: Convert to fraction form
    1,107,684.60/1,661,526.90 = 708,775.80/x
  3. Step 3: Cross multiply
    1,107,684.60x = 1,661,526.90 × 708,775.80
  4. Step 4: Simplify right side
    1,107,684.60x = 1,177,650,057,769.02
  5. Step 5: Solve for x
    x = 1,177,650,057,769.02/1,107,684.60
  6. Step 6: Final answer
    x = 1,063,163.70

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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.