Home / 1,493,995.80-2,238,320.70-908,689.80

Finding the Fourth Proportional to 1,493,995.80, 2,238,320.70 and 908,689.80

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Solution

The fourth proportional to 1,493,995.80, 2,238,320.70 and 908,689.80 is: 1,361,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,995.80 : 2,238,320.70 = 908,689.80 : x
  2. Step 2: Convert to fraction form
    1,493,995.80/2,238,320.70 = 908,689.80/x
  3. Step 3: Cross multiply
    1,493,995.80x = 2,238,320.70 × 908,689.80
  4. Step 4: Simplify right side
    1,493,995.80x = 2,033,939,189,218.86
  5. Step 5: Solve for x
    x = 2,033,939,189,218.86/1,493,995.80
  6. Step 6: Final answer
    x = 1,361,408.91

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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.