Home / 1,015,731.56-1,401,700.56-556,837.80

Finding the Fourth Proportional to 1,015,731.56, 1,401,700.56 and 556,837.80

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Solution

The fourth proportional to 1,015,731.56, 1,401,700.56 and 556,837.80 is: 768,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,731.56 : 1,401,700.56 = 556,837.80 : x
  2. Step 2: Convert to fraction form
    1,015,731.56/1,401,700.56 = 556,837.80/x
  3. Step 3: Cross multiply
    1,015,731.56x = 1,401,700.56 × 556,837.80
  4. Step 4: Simplify right side
    1,015,731.56x = 780,519,856,089.17
  5. Step 5: Solve for x
    x = 780,519,856,089.17/1,015,731.56
  6. Step 6: Final answer
    x = 768,431.23

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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.