Home / 1,025,911.86-1,538,899.02-351,983.72

Finding the Fourth Proportional to 1,025,911.86, 1,538,899.02 and 351,983.72

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Solution

The fourth proportional to 1,025,911.86, 1,538,899.02 and 351,983.72 is: 527,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,911.86 : 1,538,899.02 = 351,983.72 : x
  2. Step 2: Convert to fraction form
    1,025,911.86/1,538,899.02 = 351,983.72/x
  3. Step 3: Cross multiply
    1,025,911.86x = 1,538,899.02 × 351,983.72
  4. Step 4: Simplify right side
    1,025,911.86x = 541,667,401,763.95
  5. Step 5: Solve for x
    x = 541,667,401,763.95/1,025,911.86
  6. Step 6: Final answer
    x = 527,986.29

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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.