Home / 1,990,530.75-2,985,796.14-660,834.75

Finding the Fourth Proportional to 1,990,530.75, 2,985,796.14 and 660,834.75

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Solution

The fourth proportional to 1,990,530.75, 2,985,796.14 and 660,834.75 is: 991,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,530.75 : 2,985,796.14 = 660,834.75 : x
  2. Step 2: Convert to fraction form
    1,990,530.75/2,985,796.14 = 660,834.75/x
  3. Step 3: Cross multiply
    1,990,530.75x = 2,985,796.14 × 660,834.75
  4. Step 4: Simplify right side
    1,990,530.75x = 1,973,117,845,727.87
  5. Step 5: Solve for x
    x = 1,973,117,845,727.87/1,990,530.75
  6. Step 6: Final answer
    x = 991,252.13

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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.