Home / 1,122,944.10-1,684,416.15-412,825.20

Finding the Fourth Proportional to 1,122,944.10, 1,684,416.15 and 412,825.20

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Solution

The fourth proportional to 1,122,944.10, 1,684,416.15 and 412,825.20 is: 619,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,944.10 : 1,684,416.15 = 412,825.20 : x
  2. Step 2: Convert to fraction form
    1,122,944.10/1,684,416.15 = 412,825.20/x
  3. Step 3: Cross multiply
    1,122,944.10x = 1,684,416.15 × 412,825.20
  4. Step 4: Simplify right side
    1,122,944.10x = 695,369,434,006.98
  5. Step 5: Solve for x
    x = 695,369,434,006.98/1,122,944.10
  6. Step 6: Final answer
    x = 619,237.80

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1.5x scale

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.