Home / 1,015,724.43-1,401,690.77-556,830.66

Finding the Fourth Proportional to 1,015,724.43, 1,401,690.77 and 556,830.66

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Solution

The fourth proportional to 1,015,724.43, 1,401,690.77 and 556,830.66 is: 768,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,724.43 : 1,401,690.77 = 556,830.66 : x
  2. Step 2: Convert to fraction form
    1,015,724.43/1,401,690.77 = 556,830.66/x
  3. Step 3: Cross multiply
    1,015,724.43x = 1,401,690.77 × 556,830.66
  4. Step 4: Simplify right side
    1,015,724.43x = 780,504,396,005.00
  5. Step 5: Solve for x
    x = 780,504,396,005.00/1,015,724.43
  6. Step 6: Final answer
    x = 768,421.41

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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.