Home / 1,688,050.53-2,532,064.86-425,879.37

Finding the Fourth Proportional to 1,688,050.53, 2,532,064.86 and 425,879.37

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Solution

The fourth proportional to 1,688,050.53, 2,532,064.86 and 425,879.37 is: 638,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,050.53 : 2,532,064.86 = 425,879.37 : x
  2. Step 2: Convert to fraction form
    1,688,050.53/2,532,064.86 = 425,879.37/x
  3. Step 3: Cross multiply
    1,688,050.53x = 2,532,064.86 × 425,879.37
  4. Step 4: Simplify right side
    1,688,050.53x = 1,078,354,187,375.94
  5. Step 5: Solve for x
    x = 1,078,354,187,375.94/1,688,050.53
  6. Step 6: Final answer
    x = 638,816.30

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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.