Home / 1,137,739.80-1,706,298.66-427,713.24

Finding the Fourth Proportional to 1,137,739.80, 1,706,298.66 and 427,713.24

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Solution

The fourth proportional to 1,137,739.80, 1,706,298.66 and 427,713.24 is: 641,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,739.80 : 1,706,298.66 = 427,713.24 : x
  2. Step 2: Convert to fraction form
    1,137,739.80/1,706,298.66 = 427,713.24/x
  3. Step 3: Cross multiply
    1,137,739.80x = 1,706,298.66 × 427,713.24
  4. Step 4: Simplify right side
    1,137,739.80x = 729,806,528,276.26
  5. Step 5: Solve for x
    x = 729,806,528,276.26/1,137,739.80
  6. Step 6: Final answer
    x = 641,452.93

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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.