Home / 1,396,380.66-2,090,668.50-754,384.25

Finding the Fourth Proportional to 1,396,380.66, 2,090,668.50 and 754,384.25

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Solution

The fourth proportional to 1,396,380.66, 2,090,668.50 and 754,384.25 is: 1,129,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,380.66 : 2,090,668.50 = 754,384.25 : x
  2. Step 2: Convert to fraction form
    1,396,380.66/2,090,668.50 = 754,384.25/x
  3. Step 3: Cross multiply
    1,396,380.66x = 2,090,668.50 × 754,384.25
  4. Step 4: Simplify right side
    1,396,380.66x = 1,577,167,389,543.95
  5. Step 5: Solve for x
    x = 1,577,167,389,543.95/1,396,380.66
  6. Step 6: Final answer
    x = 1,129,468.08

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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.