Home / 1,412,307.66-2,118,422.34-513,766.02

Finding the Fourth Proportional to 1,412,307.66, 2,118,422.34 and 513,766.02

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Solution

The fourth proportional to 1,412,307.66, 2,118,422.34 and 513,766.02 is: 770,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,307.66 : 2,118,422.34 = 513,766.02 : x
  2. Step 2: Convert to fraction form
    1,412,307.66/2,118,422.34 = 513,766.02/x
  3. Step 3: Cross multiply
    1,412,307.66x = 2,118,422.34 × 513,766.02
  4. Step 4: Simplify right side
    1,412,307.66x = 1,088,373,414,300.89
  5. Step 5: Solve for x
    x = 1,088,373,414,300.89/1,412,307.66
  6. Step 6: Final answer
    x = 770,634.79

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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.