Home / 1,352,238.55-1,866,031.43-740,380.21

Finding the Fourth Proportional to 1,352,238.55, 1,866,031.43 and 740,380.21

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Solution

The fourth proportional to 1,352,238.55, 1,866,031.43 and 740,380.21 is: 1,021,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,238.55 : 1,866,031.43 = 740,380.21 : x
  2. Step 2: Convert to fraction form
    1,352,238.55/1,866,031.43 = 740,380.21/x
  3. Step 3: Cross multiply
    1,352,238.55x = 1,866,031.43 × 740,380.21
  4. Step 4: Simplify right side
    1,352,238.55x = 1,381,572,743,860.95
  5. Step 5: Solve for x
    x = 1,381,572,743,860.95/1,352,238.55
  6. Step 6: Final answer
    x = 1,021,693.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.