Home / 1,083,742.80-1,627,169.40-611,350.80

Finding the Fourth Proportional to 1,083,742.80, 1,627,169.40 and 611,350.80

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Solution

The fourth proportional to 1,083,742.80, 1,627,169.40 and 611,350.80 is: 917,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,742.80 : 1,627,169.40 = 611,350.80 : x
  2. Step 2: Convert to fraction form
    1,083,742.80/1,627,169.40 = 611,350.80/x
  3. Step 3: Cross multiply
    1,083,742.80x = 1,627,169.40 × 611,350.80
  4. Step 4: Simplify right side
    1,083,742.80x = 994,771,314,425.52
  5. Step 5: Solve for x
    x = 994,771,314,425.52/1,083,742.80
  6. Step 6: Final answer
    x = 917,903.50

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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.