Home / 1,015,822.61-1,401,851.03-556,979.07

Finding the Fourth Proportional to 1,015,822.61, 1,401,851.03 and 556,979.07

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Solution

The fourth proportional to 1,015,822.61, 1,401,851.03 and 556,979.07 is: 768,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,822.61 : 1,401,851.03 = 556,979.07 : x
  2. Step 2: Convert to fraction form
    1,015,822.61/1,401,851.03 = 556,979.07/x
  3. Step 3: Cross multiply
    1,015,822.61x = 1,401,851.03 × 556,979.07
  4. Step 4: Simplify right side
    1,015,822.61x = 780,801,680,183.05
  5. Step 5: Solve for x
    x = 780,801,680,183.05/1,015,822.61
  6. Step 6: Final answer
    x = 768,639.80

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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.