Home / 1,041,239.72-1,562,007.72-321,642.56

Finding the Fourth Proportional to 1,041,239.72, 1,562,007.72 and 321,642.56

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Solution

The fourth proportional to 1,041,239.72, 1,562,007.72 and 321,642.56 is: 482,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,239.72 : 1,562,007.72 = 321,642.56 : x
  2. Step 2: Convert to fraction form
    1,041,239.72/1,562,007.72 = 321,642.56/x
  3. Step 3: Cross multiply
    1,041,239.72x = 1,562,007.72 × 321,642.56
  4. Step 4: Simplify right side
    1,041,239.72x = 502,408,161,800.56
  5. Step 5: Solve for x
    x = 502,408,161,800.56/1,041,239.72
  6. Step 6: Final answer
    x = 482,509.60

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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.