Home / 1,147,047.90-1,721,884.05-673,999.80

Finding the Fourth Proportional to 1,147,047.90, 1,721,884.05 and 673,999.80

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Solution

The fourth proportional to 1,147,047.90, 1,721,884.05 and 673,999.80 is: 1,011,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,047.90 : 1,721,884.05 = 673,999.80 : x
  2. Step 2: Convert to fraction form
    1,147,047.90/1,721,884.05 = 673,999.80/x
  3. Step 3: Cross multiply
    1,147,047.90x = 1,721,884.05 × 673,999.80
  4. Step 4: Simplify right side
    1,147,047.90x = 1,160,549,505,323.19
  5. Step 5: Solve for x
    x = 1,160,549,505,323.19/1,147,047.90
  6. Step 6: Final answer
    x = 1,011,770.74

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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.